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Registered in England and Wales under Company Registration No. 3798903 From: David Howells To: torvalds@linux-foundation.org Cc: dhowells@redhat.com, jlayton@kernel.org, keescook@chromium.org, Jonathan Corbet , Eric Van Hensbergen , Latchesar Ionkov , Dominique Martinet , Christian Schoenebeck , Marc Dionne , Xiubo Li , Ilya Dryomov , Steve French , William Kucharski , "Matthew Wilcox (Oracle)" , Dave Chinner , linux-doc@vger.kernel.org, v9fs-developer@lists.sourceforge.net, linux-afs@lists.infradead.org, ceph-devel@vger.kernel.org, linux-cifs@vger.kernel.org, samba-technical@lists.samba.org, linux-fsdevel@vger.kernel.org, linux-hardening@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] netfs: Fix gcc-12 warning by embedding vfs inode in netfs_i_context MIME-Version: 1.0 Content-ID: <40675.1654807564.1@warthog.procyon.org.uk> Date: Thu, 09 Jun 2022 21:46:04 +0100 Message-ID: <40676.1654807564@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 2.85 on 10.11.54.7 Precedence: bulk List-ID: X-Mailing-List: linux-hardening@vger.kernel.org Hi Linus, Can you apply this please? It fixes the gcc-12 warnings in netfslib. David --- netfs: Fix gcc-12 warning by embedding vfs inode in netfs_i_context While randstruct was satisfied with using an open-coded "void *" offset cast for the netfs_i_context <-> inode casting, __builtin_object_size() as used by FORTIFY_SOURCE was not as easily fooled. This was causing the following complaint[1] from gcc v12: In file included from ./include/linux/string.h:253, from ./include/linux/ceph/ceph_debug.h:7, from fs/ceph/inode.c:2: In function 'fortify_memset_chk', inlined from 'netfs_i_context_init' at ./include/linux/netfs.h:326:2, inlined from 'ceph_alloc_inode' at fs/ceph/inode.c:463:2: ./include/linux/fortify-string.h:242:25: warning: call to '__write_overflow_field' declared with attribute warning: detected write beyond size of field (1st parameter); maybe use struct_group()? [-Wattribute-warning] 242 | __write_overflow_field(p_size_field, size); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Fix this by embedding a struct inode into struct netfs_i_context (which should perhaps be renamed to struct netfs_inode). The struct inode vfs_inode fields are then removed from the 9p, afs, ceph and cifs inode structs and vfs_inode is then simply changed to "netfs.inode" in those filesystems. Further, rename netfs_i_context to netfs_inode, get rid of the netfs_inode() function that converted a netfs_i_context pointer to an inode pointer (that can now be done with &ctx->inode) and rename the netfs_i_context() function to netfs_inode() (which is now a wrapper around container_of()). Most of the changes were done with: perl -p -i -e 's/vfs_inode/netfs.inode/'g \ `git grep -l 'vfs_inode' -- fs/{9p,afs,ceph,cifs}/*.[ch]` Kees suggested doing it with a pair structure[2] and a special declarator to insert that into the network filesystem's inode wrapper[3], but I think it's cleaner to embed it - and then it doesn't matter if struct randomisation reorders things. Dave Chinner suggested using a filesystem-specific VFS_I() function in each filesystem to convert that filesystem's own inode wrapper struct into the VFS inode struct[4]. Changes ======= ver #2) - Fix a couple of missed name changes due to a disabled cifs option. - Rename nfs_i_context to nfs_inode - Use "netfs" instead of "nic" as the member name in per-fs inode wrapper structs. Fixes: bc899ee1c898 ("netfs: Add a netfs inode context") Reported-by: Jeff Layton Signed-off-by: David Howells Reviewed-by: Jeff Layton Reviewed-by: Kees Cook Reviewed-by: Xiubo Li cc: Jonathan Corbet cc: Eric Van Hensbergen cc: Latchesar Ionkov cc: Dominique Martinet cc: Christian Schoenebeck cc: Marc Dionne cc: Ilya Dryomov cc: Steve French cc: William Kucharski cc: "Matthew Wilcox (Oracle)" cc: Dave Chinner cc: linux-doc@vger.kernel.org cc: v9fs-developer@lists.sourceforge.net cc: linux-afs@lists.infradead.org cc: ceph-devel@vger.kernel.org cc: linux-cifs@vger.kernel.org cc: samba-technical@lists.samba.org cc: linux-fsdevel@vger.kernel.org cc: linux-hardening@vger.kernel.org Link: https://lore.kernel.org/r/d2ad3a3d7bdd794c6efb562d2f2b655fb67756b9.camel@kernel.org/ [1] Link: https://lore.kernel.org/r/20220517210230.864239-1-keescook@chromium.org/ [2] Link: https://lore.kernel.org/r/20220518202212.2322058-1-keescook@chromium.org/ [3] Link: https://lore.kernel.org/r/20220524101205.GI2306852@dread.disaster.area/ [4] Link: https://lore.kernel.org/r/165296786831.3591209.12111293034669289733.stgit@warthog.procyon.org.uk/ # v1 Link: https://lore.kernel.org/r/165305805651.4094995.7763502506786714216.stgit@warthog.procyon.org.uk # v2 --- Documentation/filesystems/netfs_library.rst | 37 ++++----- fs/9p/cache.c | 4 - fs/9p/v9fs.c | 2 fs/9p/v9fs.h | 10 -- fs/9p/vfs_addr.c | 2 fs/9p/vfs_inode.c | 4 - fs/afs/callback.c | 2 fs/afs/dir.c | 32 ++++---- fs/afs/dir_edit.c | 10 +- fs/afs/dir_silly.c | 4 - fs/afs/dynroot.c | 2 fs/afs/file.c | 4 - fs/afs/fs_operation.c | 6 - fs/afs/inode.c | 38 +++++----- fs/afs/internal.h | 23 ++---- fs/afs/super.c | 6 - fs/afs/write.c | 21 ++--- fs/ceph/addr.c | 4 - fs/ceph/cache.c | 4 - fs/ceph/cache.h | 2 fs/ceph/caps.c | 104 ++++++++++++++-------------- fs/ceph/file.c | 2 fs/ceph/inode.c | 10 +- fs/ceph/mds_client.c | 4 - fs/ceph/snap.c | 8 +- fs/ceph/super.c | 2 fs/ceph/super.h | 10 -- fs/ceph/xattr.c | 14 +-- fs/cifs/cifsfs.c | 8 +- fs/cifs/cifsglob.h | 12 +-- fs/cifs/file.c | 8 +- fs/cifs/fscache.c | 8 +- fs/cifs/fscache.h | 8 +- fs/cifs/inode.c | 4 - fs/cifs/misc.c | 4 - fs/cifs/smb2ops.c | 8 +- fs/netfs/buffered_read.c | 6 - fs/netfs/internal.h | 2 fs/netfs/objects.c | 2 include/linux/netfs.h | 41 ++++------- 40 files changed, 227 insertions(+), 255 deletions(-) diff --git a/Documentation/filesystems/netfs_library.rst b/Documentation/filesystems/netfs_library.rst index a80a59941d2f..3276c3d55142 100644 --- a/Documentation/filesystems/netfs_library.rst +++ b/Documentation/filesystems/netfs_library.rst @@ -37,30 +37,31 @@ The network filesystem helper library needs a place to store a bit of state for its use on each netfs inode it is helping to manage. To this end, a context structure is defined:: - struct netfs_i_context { + struct netfs_inode { + struct inode inode; const struct netfs_request_ops *ops; - struct fscache_cookie *cache; + struct fscache_cookie *cache; }; -A network filesystem that wants to use netfs lib must place one of these -directly after the VFS ``struct inode`` it allocates, usually as part of its -own struct. This can be done in a way similar to the following:: +A network filesystem that wants to use netfs lib must place one of these in its +inode wrapper struct instead of the VFS ``struct inode``. This can be done in +a way similar to the following:: struct my_inode { - struct { - /* These must be contiguous */ - struct inode vfs_inode; - struct netfs_i_context netfs_ctx; - }; + struct netfs_inode netfs; /* Netfslib context and vfs inode */ ... }; -This allows netfslib to find its state by simple offset from the inode pointer, -thereby allowing the netfslib helper functions to be pointed to directly by the -VFS/VM operation tables. +This allows netfslib to find its state by using ``container_of()`` from the +inode pointer, thereby allowing the netfslib helper functions to be pointed to +directly by the VFS/VM operation tables. The structure contains the following fields: + * ``inode`` + + The VFS inode structure. + * ``ops`` The set of operations provided by the network filesystem to netfslib. @@ -78,14 +79,12 @@ To help deal with the per-inode context, a number helper functions are provided. Firstly, a function to perform basic initialisation on a context and set the operations table pointer:: - void netfs_i_context_init(struct inode *inode, - const struct netfs_request_ops *ops); + void netfs_inode_init(struct inode *inode, + const struct netfs_request_ops *ops); -then two functions to cast between the VFS inode structure and the netfs -context:: +then a function to cast from the VFS inode structure to the netfs context:: - struct netfs_i_context *netfs_i_context(struct inode *inode); - struct inode *netfs_inode(struct netfs_i_context *ctx); + struct netfs_inode *netfs_node(struct inode *inode); and finally, a function to get the cache cookie pointer from the context attached to an inode (or NULL if fscache is disabled):: diff --git a/fs/9p/cache.c b/fs/9p/cache.c index 1c8dc696d516..cebba4eaa0b5 100644 --- a/fs/9p/cache.c +++ b/fs/9p/cache.c @@ -62,12 +62,12 @@ void v9fs_cache_inode_get_cookie(struct inode *inode) version = cpu_to_le32(v9inode->qid.version); path = cpu_to_le64(v9inode->qid.path); v9ses = v9fs_inode2v9ses(inode); - v9inode->netfs_ctx.cache = + v9inode->netfs.cache = fscache_acquire_cookie(v9fs_session_cache(v9ses), 0, &path, sizeof(path), &version, sizeof(version), - i_size_read(&v9inode->vfs_inode)); + i_size_read(&v9inode->netfs.inode)); p9_debug(P9_DEBUG_FSC, "inode %p get cookie %p\n", inode, v9fs_inode_cookie(v9inode)); diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c index e28ddf763b3b..0129de2ea31a 100644 --- a/fs/9p/v9fs.c +++ b/fs/9p/v9fs.c @@ -625,7 +625,7 @@ static void v9fs_inode_init_once(void *foo) struct v9fs_inode *v9inode = (struct v9fs_inode *)foo; memset(&v9inode->qid, 0, sizeof(v9inode->qid)); - inode_init_once(&v9inode->vfs_inode); + inode_init_once(&v9inode->netfs.inode); } /** diff --git a/fs/9p/v9fs.h b/fs/9p/v9fs.h index ec0e8df3b2eb..1b219c21d15e 100644 --- a/fs/9p/v9fs.h +++ b/fs/9p/v9fs.h @@ -109,11 +109,7 @@ struct v9fs_session_info { #define V9FS_INO_INVALID_ATTR 0x01 struct v9fs_inode { - struct { - /* These must be contiguous */ - struct inode vfs_inode; /* the VFS's inode record */ - struct netfs_i_context netfs_ctx; /* Netfslib context */ - }; + struct netfs_inode netfs; /* Netfslib context and vfs inode */ struct p9_qid qid; unsigned int cache_validity; struct p9_fid *writeback_fid; @@ -122,13 +118,13 @@ struct v9fs_inode { static inline struct v9fs_inode *V9FS_I(const struct inode *inode) { - return container_of(inode, struct v9fs_inode, vfs_inode); + return container_of(inode, struct v9fs_inode, netfs.inode); } static inline struct fscache_cookie *v9fs_inode_cookie(struct v9fs_inode *v9inode) { #ifdef CONFIG_9P_FSCACHE - return netfs_i_cookie(&v9inode->vfs_inode); + return netfs_i_cookie(&v9inode->netfs.inode); #else return NULL; #endif diff --git a/fs/9p/vfs_addr.c b/fs/9p/vfs_addr.c index 8ce82ff1e40a..90c6c1ba03ab 100644 --- a/fs/9p/vfs_addr.c +++ b/fs/9p/vfs_addr.c @@ -140,7 +140,7 @@ static void v9fs_write_to_cache_done(void *priv, ssize_t transferred_or_error, transferred_or_error != -ENOBUFS) { version = cpu_to_le32(v9inode->qid.version); fscache_invalidate(v9fs_inode_cookie(v9inode), &version, - i_size_read(&v9inode->vfs_inode), 0); + i_size_read(&v9inode->netfs.inode), 0); } } diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index 55367ecb9442..e660c6348b9d 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -234,7 +234,7 @@ struct inode *v9fs_alloc_inode(struct super_block *sb) v9inode->writeback_fid = NULL; v9inode->cache_validity = 0; mutex_init(&v9inode->v_mutex); - return &v9inode->vfs_inode; + return &v9inode->netfs.inode; } /** @@ -252,7 +252,7 @@ void v9fs_free_inode(struct inode *inode) */ static void v9fs_set_netfs_context(struct inode *inode) { - netfs_i_context_init(inode, &v9fs_req_ops); + netfs_inode_init(inode, &v9fs_req_ops); } int v9fs_init_inode(struct v9fs_session_info *v9ses, diff --git a/fs/afs/callback.c b/fs/afs/callback.c index 1b4d5809808d..a484fa642808 100644 --- a/fs/afs/callback.c +++ b/fs/afs/callback.c @@ -30,7 +30,7 @@ void afs_invalidate_mmap_work(struct work_struct *work) { struct afs_vnode *vnode = container_of(work, struct afs_vnode, cb_work); - unmap_mapping_pages(vnode->vfs_inode.i_mapping, 0, 0, false); + unmap_mapping_pages(vnode->netfs.inode.i_mapping, 0, 0, false); } void afs_server_init_callback_work(struct work_struct *work) diff --git a/fs/afs/dir.c b/fs/afs/dir.c index 79f6b74336d2..56ae5cd5184f 100644 --- a/fs/afs/dir.c +++ b/fs/afs/dir.c @@ -109,7 +109,7 @@ struct afs_lookup_cookie { */ static void afs_dir_read_cleanup(struct afs_read *req) { - struct address_space *mapping = req->vnode->vfs_inode.i_mapping; + struct address_space *mapping = req->vnode->netfs.inode.i_mapping; struct folio *folio; pgoff_t last = req->nr_pages - 1; @@ -153,7 +153,7 @@ static bool afs_dir_check_folio(struct afs_vnode *dvnode, struct folio *folio, block = kmap_local_folio(folio, offset); if (block->hdr.magic != AFS_DIR_MAGIC) { printk("kAFS: %s(%lx): [%llx] bad magic %zx/%zx is %04hx\n", - __func__, dvnode->vfs_inode.i_ino, + __func__, dvnode->netfs.inode.i_ino, pos, offset, size, ntohs(block->hdr.magic)); trace_afs_dir_check_failed(dvnode, pos + offset, i_size); kunmap_local(block); @@ -183,7 +183,7 @@ static bool afs_dir_check_folio(struct afs_vnode *dvnode, struct folio *folio, static void afs_dir_dump(struct afs_vnode *dvnode, struct afs_read *req) { union afs_xdr_dir_block *block; - struct address_space *mapping = dvnode->vfs_inode.i_mapping; + struct address_space *mapping = dvnode->netfs.inode.i_mapping; struct folio *folio; pgoff_t last = req->nr_pages - 1; size_t offset, size; @@ -217,7 +217,7 @@ static void afs_dir_dump(struct afs_vnode *dvnode, struct afs_read *req) */ static int afs_dir_check(struct afs_vnode *dvnode, struct afs_read *req) { - struct address_space *mapping = dvnode->vfs_inode.i_mapping; + struct address_space *mapping = dvnode->netfs.inode.i_mapping; struct folio *folio; pgoff_t last = req->nr_pages - 1; int ret = 0; @@ -269,7 +269,7 @@ static int afs_dir_open(struct inode *inode, struct file *file) static struct afs_read *afs_read_dir(struct afs_vnode *dvnode, struct key *key) __acquires(&dvnode->validate_lock) { - struct address_space *mapping = dvnode->vfs_inode.i_mapping; + struct address_space *mapping = dvnode->netfs.inode.i_mapping; struct afs_read *req; loff_t i_size; int nr_pages, i; @@ -287,7 +287,7 @@ static struct afs_read *afs_read_dir(struct afs_vnode *dvnode, struct key *key) req->cleanup = afs_dir_read_cleanup; expand: - i_size = i_size_read(&dvnode->vfs_inode); + i_size = i_size_read(&dvnode->netfs.inode); if (i_size < 2048) { ret = afs_bad(dvnode, afs_file_error_dir_small); goto error; @@ -305,7 +305,7 @@ static struct afs_read *afs_read_dir(struct afs_vnode *dvnode, struct key *key) req->actual_len = i_size; /* May change */ req->len = nr_pages * PAGE_SIZE; /* We can ask for more than there is */ req->data_version = dvnode->status.data_version; /* May change */ - iov_iter_xarray(&req->def_iter, READ, &dvnode->vfs_inode.i_mapping->i_pages, + iov_iter_xarray(&req->def_iter, READ, &dvnode->netfs.inode.i_mapping->i_pages, 0, i_size); req->iter = &req->def_iter; @@ -897,7 +897,7 @@ static struct inode *afs_do_lookup(struct inode *dir, struct dentry *dentry, out_op: if (op->error == 0) { - inode = &op->file[1].vnode->vfs_inode; + inode = &op->file[1].vnode->netfs.inode; op->file[1].vnode = NULL; } @@ -1139,7 +1139,7 @@ static int afs_d_revalidate(struct dentry *dentry, unsigned int flags) afs_stat_v(dir, n_reval); /* search the directory for this vnode */ - ret = afs_do_lookup_one(&dir->vfs_inode, dentry, &fid, key, &dir_version); + ret = afs_do_lookup_one(&dir->netfs.inode, dentry, &fid, key, &dir_version); switch (ret) { case 0: /* the filename maps to something */ @@ -1170,7 +1170,7 @@ static int afs_d_revalidate(struct dentry *dentry, unsigned int flags) _debug("%pd: file deleted (uq %u -> %u I:%u)", dentry, fid.unique, vnode->fid.unique, - vnode->vfs_inode.i_generation); + vnode->netfs.inode.i_generation); goto not_found; } goto out_valid; @@ -1368,7 +1368,7 @@ static void afs_dir_remove_subdir(struct dentry *dentry) if (d_really_is_positive(dentry)) { struct afs_vnode *vnode = AFS_FS_I(d_inode(dentry)); - clear_nlink(&vnode->vfs_inode); + clear_nlink(&vnode->netfs.inode); set_bit(AFS_VNODE_DELETED, &vnode->flags); clear_bit(AFS_VNODE_CB_PROMISED, &vnode->flags); clear_bit(AFS_VNODE_DIR_VALID, &vnode->flags); @@ -1487,8 +1487,8 @@ static void afs_dir_remove_link(struct afs_operation *op) /* Already done */ } else if (test_bit(AFS_VNODE_DIR_VALID, &dvnode->flags)) { write_seqlock(&vnode->cb_lock); - drop_nlink(&vnode->vfs_inode); - if (vnode->vfs_inode.i_nlink == 0) { + drop_nlink(&vnode->netfs.inode); + if (vnode->netfs.inode.i_nlink == 0) { set_bit(AFS_VNODE_DELETED, &vnode->flags); __afs_break_callback(vnode, afs_cb_break_for_unlink); } @@ -1504,7 +1504,7 @@ static void afs_dir_remove_link(struct afs_operation *op) op->error = ret; } - _debug("nlink %d [val %d]", vnode->vfs_inode.i_nlink, op->error); + _debug("nlink %d [val %d]", vnode->netfs.inode.i_nlink, op->error); } static void afs_unlink_success(struct afs_operation *op) @@ -1680,8 +1680,8 @@ static void afs_link_success(struct afs_operation *op) afs_update_dentry_version(op, dvp, op->dentry); if (op->dentry_2->d_parent == op->dentry->d_parent) afs_update_dentry_version(op, dvp, op->dentry_2); - ihold(&vp->vnode->vfs_inode); - d_instantiate(op->dentry, &vp->vnode->vfs_inode); + ihold(&vp->vnode->netfs.inode); + d_instantiate(op->dentry, &vp->vnode->netfs.inode); } static void afs_link_put(struct afs_operation *op) diff --git a/fs/afs/dir_edit.c b/fs/afs/dir_edit.c index d98e109ecee9..0ab7752d1b75 100644 --- a/fs/afs/dir_edit.c +++ b/fs/afs/dir_edit.c @@ -109,7 +109,7 @@ static void afs_clear_contig_bits(union afs_xdr_dir_block *block, */ static struct folio *afs_dir_get_folio(struct afs_vnode *vnode, pgoff_t index) { - struct address_space *mapping = vnode->vfs_inode.i_mapping; + struct address_space *mapping = vnode->netfs.inode.i_mapping; struct folio *folio; folio = __filemap_get_folio(mapping, index, @@ -216,7 +216,7 @@ void afs_edit_dir_add(struct afs_vnode *vnode, _enter(",,{%d,%s},", name->len, name->name); - i_size = i_size_read(&vnode->vfs_inode); + i_size = i_size_read(&vnode->netfs.inode); if (i_size > AFS_DIR_BLOCK_SIZE * AFS_DIR_MAX_BLOCKS || (i_size & (AFS_DIR_BLOCK_SIZE - 1))) { clear_bit(AFS_VNODE_DIR_VALID, &vnode->flags); @@ -336,7 +336,7 @@ void afs_edit_dir_add(struct afs_vnode *vnode, if (b < AFS_DIR_BLOCKS_WITH_CTR) meta->meta.alloc_ctrs[b] -= need_slots; - inode_inc_iversion_raw(&vnode->vfs_inode); + inode_inc_iversion_raw(&vnode->netfs.inode); afs_stat_v(vnode, n_dir_cr); _debug("Insert %s in %u[%u]", name->name, b, slot); @@ -383,7 +383,7 @@ void afs_edit_dir_remove(struct afs_vnode *vnode, _enter(",,{%d,%s},", name->len, name->name); - i_size = i_size_read(&vnode->vfs_inode); + i_size = i_size_read(&vnode->netfs.inode); if (i_size < AFS_DIR_BLOCK_SIZE || i_size > AFS_DIR_BLOCK_SIZE * AFS_DIR_MAX_BLOCKS || (i_size & (AFS_DIR_BLOCK_SIZE - 1))) { @@ -463,7 +463,7 @@ void afs_edit_dir_remove(struct afs_vnode *vnode, if (b < AFS_DIR_BLOCKS_WITH_CTR) meta->meta.alloc_ctrs[b] += need_slots; - inode_set_iversion_raw(&vnode->vfs_inode, vnode->status.data_version); + inode_set_iversion_raw(&vnode->netfs.inode, vnode->status.data_version); afs_stat_v(vnode, n_dir_rm); _debug("Remove %s from %u[%u]", name->name, b, slot); diff --git a/fs/afs/dir_silly.c b/fs/afs/dir_silly.c index 45cfd50a9521..bb5807e87fa4 100644 --- a/fs/afs/dir_silly.c +++ b/fs/afs/dir_silly.c @@ -131,7 +131,7 @@ int afs_sillyrename(struct afs_vnode *dvnode, struct afs_vnode *vnode, goto out; } while (!d_is_negative(sdentry)); - ihold(&vnode->vfs_inode); + ihold(&vnode->netfs.inode); ret = afs_do_silly_rename(dvnode, vnode, dentry, sdentry, key); switch (ret) { @@ -148,7 +148,7 @@ int afs_sillyrename(struct afs_vnode *dvnode, struct afs_vnode *vnode, d_drop(sdentry); } - iput(&vnode->vfs_inode); + iput(&vnode->netfs.inode); dput(sdentry); out: _leave(" = %d", ret); diff --git a/fs/afs/dynroot.c b/fs/afs/dynroot.c index f120bcb8bf73..3a5bbffdf053 100644 --- a/fs/afs/dynroot.c +++ b/fs/afs/dynroot.c @@ -76,7 +76,7 @@ struct inode *afs_iget_pseudo_dir(struct super_block *sb, bool root) /* there shouldn't be an existing inode */ BUG_ON(!(inode->i_state & I_NEW)); - netfs_i_context_init(inode, NULL); + netfs_inode_init(inode, NULL); inode->i_size = 0; inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO; if (root) { diff --git a/fs/afs/file.c b/fs/afs/file.c index a8e8832179e4..4de7af7c2f09 100644 --- a/fs/afs/file.c +++ b/fs/afs/file.c @@ -194,7 +194,7 @@ int afs_release(struct inode *inode, struct file *file) afs_put_wb_key(af->wb); if ((file->f_mode & FMODE_WRITE)) { - i_size = i_size_read(&vnode->vfs_inode); + i_size = i_size_read(&vnode->netfs.inode); afs_set_cache_aux(vnode, &aux); fscache_unuse_cookie(afs_vnode_cache(vnode), &aux, &i_size); } else { @@ -325,7 +325,7 @@ static void afs_issue_read(struct netfs_io_subrequest *subreq) fsreq->iter = &fsreq->def_iter; iov_iter_xarray(&fsreq->def_iter, READ, - &fsreq->vnode->vfs_inode.i_mapping->i_pages, + &fsreq->vnode->netfs.inode.i_mapping->i_pages, fsreq->pos, fsreq->len); afs_fetch_data(fsreq->vnode, fsreq); diff --git a/fs/afs/fs_operation.c b/fs/afs/fs_operation.c index d222dfbe976b..7a3803ce3a22 100644 --- a/fs/afs/fs_operation.c +++ b/fs/afs/fs_operation.c @@ -232,14 +232,14 @@ int afs_put_operation(struct afs_operation *op) if (op->file[1].modification && op->file[1].vnode != op->file[0].vnode) clear_bit(AFS_VNODE_MODIFYING, &op->file[1].vnode->flags); if (op->file[0].put_vnode) - iput(&op->file[0].vnode->vfs_inode); + iput(&op->file[0].vnode->netfs.inode); if (op->file[1].put_vnode) - iput(&op->file[1].vnode->vfs_inode); + iput(&op->file[1].vnode->netfs.inode); if (op->more_files) { for (i = 0; i < op->nr_files - 2; i++) if (op->more_files[i].put_vnode) - iput(&op->more_files[i].vnode->vfs_inode); + iput(&op->more_files[i].vnode->netfs.inode); kfree(op->more_files); } diff --git a/fs/afs/inode.c b/fs/afs/inode.c index 30b066299d39..22811e9eacf5 100644 --- a/fs/afs/inode.c +++ b/fs/afs/inode.c @@ -58,7 +58,7 @@ static noinline void dump_vnode(struct afs_vnode *vnode, struct afs_vnode *paren */ static void afs_set_netfs_context(struct afs_vnode *vnode) { - netfs_i_context_init(&vnode->vfs_inode, &afs_req_ops); + netfs_inode_init(&vnode->netfs.inode, &afs_req_ops); } /* @@ -96,7 +96,7 @@ static int afs_inode_init_from_status(struct afs_operation *op, inode->i_flags |= S_NOATIME; inode->i_uid = make_kuid(&init_user_ns, status->owner); inode->i_gid = make_kgid(&init_user_ns, status->group); - set_nlink(&vnode->vfs_inode, status->nlink); + set_nlink(&vnode->netfs.inode, status->nlink); switch (status->type) { case AFS_FTYPE_FILE: @@ -139,7 +139,7 @@ static int afs_inode_init_from_status(struct afs_operation *op, afs_set_netfs_context(vnode); vnode->invalid_before = status->data_version; - inode_set_iversion_raw(&vnode->vfs_inode, status->data_version); + inode_set_iversion_raw(&vnode->netfs.inode, status->data_version); if (!vp->scb.have_cb) { /* it's a symlink we just created (the fileserver @@ -163,7 +163,7 @@ static void afs_apply_status(struct afs_operation *op, { struct afs_file_status *status = &vp->scb.status; struct afs_vnode *vnode = vp->vnode; - struct inode *inode = &vnode->vfs_inode; + struct inode *inode = &vnode->netfs.inode; struct timespec64 t; umode_t mode; bool data_changed = false; @@ -246,7 +246,7 @@ static void afs_apply_status(struct afs_operation *op, * idea of what the size should be that's not the same as * what's on the server. */ - vnode->netfs_ctx.remote_i_size = status->size; + vnode->netfs.remote_i_size = status->size; if (change_size) { afs_set_i_size(vnode, status->size); inode->i_ctime = t; @@ -289,7 +289,7 @@ void afs_vnode_commit_status(struct afs_operation *op, struct afs_vnode_param *v */ if (vp->scb.status.abort_code == VNOVNODE) { set_bit(AFS_VNODE_DELETED, &vnode->flags); - clear_nlink(&vnode->vfs_inode); + clear_nlink(&vnode->netfs.inode); __afs_break_callback(vnode, afs_cb_break_for_deleted); op->flags &= ~AFS_OPERATION_DIR_CONFLICT; } @@ -306,8 +306,8 @@ void afs_vnode_commit_status(struct afs_operation *op, struct afs_vnode_param *v if (vp->scb.have_cb) afs_apply_callback(op, vp); } else if (vp->op_unlinked && !(op->flags & AFS_OPERATION_DIR_CONFLICT)) { - drop_nlink(&vnode->vfs_inode); - if (vnode->vfs_inode.i_nlink == 0) { + drop_nlink(&vnode->netfs.inode); + if (vnode->netfs.inode.i_nlink == 0) { set_bit(AFS_VNODE_DELETED, &vnode->flags); __afs_break_callback(vnode, afs_cb_break_for_deleted); } @@ -326,7 +326,7 @@ static void afs_fetch_status_success(struct afs_operation *op) struct afs_vnode *vnode = vp->vnode; int ret; - if (vnode->vfs_inode.i_state & I_NEW) { + if (vnode->netfs.inode.i_state & I_NEW) { ret = afs_inode_init_from_status(op, vp, vnode); op->error = ret; if (ret == 0) @@ -430,7 +430,7 @@ static void afs_get_inode_cache(struct afs_vnode *vnode) struct afs_vnode_cache_aux aux; if (vnode->status.type != AFS_FTYPE_FILE) { - vnode->netfs_ctx.cache = NULL; + vnode->netfs.cache = NULL; return; } @@ -457,7 +457,7 @@ static void afs_get_inode_cache(struct afs_vnode *vnode) struct inode *afs_iget(struct afs_operation *op, struct afs_vnode_param *vp) { struct afs_vnode_param *dvp = &op->file[0]; - struct super_block *sb = dvp->vnode->vfs_inode.i_sb; + struct super_block *sb = dvp->vnode->netfs.inode.i_sb; struct afs_vnode *vnode; struct inode *inode; int ret; @@ -582,10 +582,10 @@ static void afs_zap_data(struct afs_vnode *vnode) /* nuke all the non-dirty pages that aren't locked, mapped or being * written back in a regular file and completely discard the pages in a * directory or symlink */ - if (S_ISREG(vnode->vfs_inode.i_mode)) - invalidate_remote_inode(&vnode->vfs_inode); + if (S_ISREG(vnode->netfs.inode.i_mode)) + invalidate_remote_inode(&vnode->netfs.inode); else - invalidate_inode_pages2(vnode->vfs_inode.i_mapping); + invalidate_inode_pages2(vnode->netfs.inode.i_mapping); } /* @@ -683,8 +683,8 @@ int afs_validate(struct afs_vnode *vnode, struct key *key) key_serial(key)); if (unlikely(test_bit(AFS_VNODE_DELETED, &vnode->flags))) { - if (vnode->vfs_inode.i_nlink) - clear_nlink(&vnode->vfs_inode); + if (vnode->netfs.inode.i_nlink) + clear_nlink(&vnode->netfs.inode); goto valid; } @@ -826,7 +826,7 @@ void afs_evict_inode(struct inode *inode) static void afs_setattr_success(struct afs_operation *op) { struct afs_vnode_param *vp = &op->file[0]; - struct inode *inode = &vp->vnode->vfs_inode; + struct inode *inode = &vp->vnode->netfs.inode; loff_t old_i_size = i_size_read(inode); op->setattr.old_i_size = old_i_size; @@ -843,7 +843,7 @@ static void afs_setattr_success(struct afs_operation *op) static void afs_setattr_edit_file(struct afs_operation *op) { struct afs_vnode_param *vp = &op->file[0]; - struct inode *inode = &vp->vnode->vfs_inode; + struct inode *inode = &vp->vnode->netfs.inode; if (op->setattr.attr->ia_valid & ATTR_SIZE) { loff_t size = op->setattr.attr->ia_size; @@ -875,7 +875,7 @@ int afs_setattr(struct user_namespace *mnt_userns, struct dentry *dentry, ATTR_MTIME | ATTR_MTIME_SET | ATTR_TIMES_SET | ATTR_TOUCH; struct afs_operation *op; struct afs_vnode *vnode = AFS_FS_I(d_inode(dentry)); - struct inode *inode = &vnode->vfs_inode; + struct inode *inode = &vnode->netfs.inode; loff_t i_size; int ret; diff --git a/fs/afs/internal.h b/fs/afs/internal.h index a30995901266..984b113a9107 100644 --- a/fs/afs/internal.h +++ b/fs/afs/internal.h @@ -619,12 +619,7 @@ enum afs_lock_state { * leak from one inode to another. */ struct afs_vnode { - struct { - /* These must be contiguous */ - struct inode vfs_inode; /* the VFS's inode record */ - struct netfs_i_context netfs_ctx; /* Netfslib context */ - }; - + struct netfs_inode netfs; /* Netfslib context and vfs inode */ struct afs_volume *volume; /* volume on which vnode resides */ struct afs_fid fid; /* the file identifier for this inode */ struct afs_file_status status; /* AFS status info for this file */ @@ -675,7 +670,7 @@ struct afs_vnode { static inline struct fscache_cookie *afs_vnode_cache(struct afs_vnode *vnode) { #ifdef CONFIG_AFS_FSCACHE - return netfs_i_cookie(&vnode->vfs_inode); + return netfs_i_cookie(&vnode->netfs.inode); #else return NULL; #endif @@ -685,7 +680,7 @@ static inline void afs_vnode_set_cache(struct afs_vnode *vnode, struct fscache_cookie *cookie) { #ifdef CONFIG_AFS_FSCACHE - vnode->netfs_ctx.cache = cookie; + vnode->netfs.cache = cookie; #endif } @@ -892,7 +887,7 @@ static inline void afs_invalidate_cache(struct afs_vnode *vnode, unsigned int fl afs_set_cache_aux(vnode, &aux); fscache_invalidate(afs_vnode_cache(vnode), &aux, - i_size_read(&vnode->vfs_inode), flags); + i_size_read(&vnode->netfs.inode), flags); } /* @@ -1217,7 +1212,7 @@ static inline struct afs_net *afs_i2net(struct inode *inode) static inline struct afs_net *afs_v2net(struct afs_vnode *vnode) { - return afs_i2net(&vnode->vfs_inode); + return afs_i2net(&vnode->netfs.inode); } static inline struct afs_net *afs_sock2net(struct sock *sk) @@ -1593,12 +1588,12 @@ extern void yfs_fs_store_opaque_acl2(struct afs_operation *); */ static inline struct afs_vnode *AFS_FS_I(struct inode *inode) { - return container_of(inode, struct afs_vnode, vfs_inode); + return container_of(inode, struct afs_vnode, netfs.inode); } static inline struct inode *AFS_VNODE_TO_I(struct afs_vnode *vnode) { - return &vnode->vfs_inode; + return &vnode->netfs.inode; } /* @@ -1621,8 +1616,8 @@ static inline void afs_update_dentry_version(struct afs_operation *op, */ static inline void afs_set_i_size(struct afs_vnode *vnode, u64 size) { - i_size_write(&vnode->vfs_inode, size); - vnode->vfs_inode.i_blocks = ((size + 1023) >> 10) << 1; + i_size_write(&vnode->netfs.inode, size); + vnode->netfs.inode.i_blocks = ((size + 1023) >> 10) << 1; } /* diff --git a/fs/afs/super.c b/fs/afs/super.c index 1fea195b0b27..95d713074dc8 100644 --- a/fs/afs/super.c +++ b/fs/afs/super.c @@ -659,7 +659,7 @@ static void afs_i_init_once(void *_vnode) struct afs_vnode *vnode = _vnode; memset(vnode, 0, sizeof(*vnode)); - inode_init_once(&vnode->vfs_inode); + inode_init_once(&vnode->netfs.inode); mutex_init(&vnode->io_lock); init_rwsem(&vnode->validate_lock); spin_lock_init(&vnode->wb_lock); @@ -700,8 +700,8 @@ static struct inode *afs_alloc_inode(struct super_block *sb) init_rwsem(&vnode->rmdir_lock); INIT_WORK(&vnode->cb_work, afs_invalidate_mmap_work); - _leave(" = %p", &vnode->vfs_inode); - return &vnode->vfs_inode; + _leave(" = %p", &vnode->netfs.inode); + return &vnode->netfs.inode; } static void afs_free_inode(struct inode *inode) diff --git a/fs/afs/write.c b/fs/afs/write.c index 2236b2165e37..f80a6096d91c 100644 --- a/fs/afs/write.c +++ b/fs/afs/write.c @@ -146,10 +146,10 @@ int afs_write_end(struct file *file, struct address_space *mapping, write_end_pos = pos + copied; - i_size = i_size_read(&vnode->vfs_inode); + i_size = i_size_read(&vnode->netfs.inode); if (write_end_pos > i_size) { write_seqlock(&vnode->cb_lock); - i_size = i_size_read(&vnode->vfs_inode); + i_size = i_size_read(&vnode->netfs.inode); if (write_end_pos > i_size) afs_set_i_size(vnode, write_end_pos); write_sequnlock(&vnode->cb_lock); @@ -257,7 +257,7 @@ static void afs_redirty_pages(struct writeback_control *wbc, */ static void afs_pages_written_back(struct afs_vnode *vnode, loff_t start, unsigned int len) { - struct address_space *mapping = vnode->vfs_inode.i_mapping; + struct address_space *mapping = vnode->netfs.inode.i_mapping; struct folio *folio; pgoff_t end; @@ -354,7 +354,6 @@ static const struct afs_operation_ops afs_store_data_operation = { static int afs_store_data(struct afs_vnode *vnode, struct iov_iter *iter, loff_t pos, bool laundering) { - struct netfs_i_context *ictx = &vnode->netfs_ctx; struct afs_operation *op; struct afs_wb_key *wbk = NULL; loff_t size = iov_iter_count(iter); @@ -385,9 +384,9 @@ static int afs_store_data(struct afs_vnode *vnode, struct iov_iter *iter, loff_t op->store.write_iter = iter; op->store.pos = pos; op->store.size = size; - op->store.i_size = max(pos + size, ictx->remote_i_size); + op->store.i_size = max(pos + size, vnode->netfs.remote_i_size); op->store.laundering = laundering; - op->mtime = vnode->vfs_inode.i_mtime; + op->mtime = vnode->netfs.inode.i_mtime; op->flags |= AFS_OPERATION_UNINTR; op->ops = &afs_store_data_operation; @@ -554,7 +553,7 @@ static ssize_t afs_write_back_from_locked_folio(struct address_space *mapping, struct iov_iter iter; unsigned long priv; unsigned int offset, to, len, max_len; - loff_t i_size = i_size_read(&vnode->vfs_inode); + loff_t i_size = i_size_read(&vnode->netfs.inode); bool new_content = test_bit(AFS_VNODE_NEW_CONTENT, &vnode->flags); bool caching = fscache_cookie_enabled(afs_vnode_cache(vnode)); long count = wbc->nr_to_write; @@ -845,7 +844,7 @@ ssize_t afs_file_write(struct kiocb *iocb, struct iov_iter *from) _enter("{%llx:%llu},{%zu},", vnode->fid.vid, vnode->fid.vnode, count); - if (IS_SWAPFILE(&vnode->vfs_inode)) { + if (IS_SWAPFILE(&vnode->netfs.inode)) { printk(KERN_INFO "AFS: Attempt to write to active swap file!\n"); return -EBUSY; @@ -958,8 +957,8 @@ void afs_prune_wb_keys(struct afs_vnode *vnode) /* Discard unused keys */ spin_lock(&vnode->wb_lock); - if (!mapping_tagged(&vnode->vfs_inode.i_data, PAGECACHE_TAG_WRITEBACK) && - !mapping_tagged(&vnode->vfs_inode.i_data, PAGECACHE_TAG_DIRTY)) { + if (!mapping_tagged(&vnode->netfs.inode.i_data, PAGECACHE_TAG_WRITEBACK) && + !mapping_tagged(&vnode->netfs.inode.i_data, PAGECACHE_TAG_DIRTY)) { list_for_each_entry_safe(wbk, tmp, &vnode->wb_keys, vnode_link) { if (refcount_read(&wbk->usage) == 1) list_move(&wbk->vnode_link, &graveyard); @@ -1034,6 +1033,6 @@ static void afs_write_to_cache(struct afs_vnode *vnode, bool caching) { fscache_write_to_cache(afs_vnode_cache(vnode), - vnode->vfs_inode.i_mapping, start, len, i_size, + vnode->netfs.inode.i_mapping, start, len, i_size, afs_write_to_cache_done, vnode, caching); } diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index e5221be6eb55..f5f116ed1b9e 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -1798,7 +1798,7 @@ enum { static int __ceph_pool_perm_get(struct ceph_inode_info *ci, s64 pool, struct ceph_string *pool_ns) { - struct ceph_fs_client *fsc = ceph_inode_to_client(&ci->vfs_inode); + struct ceph_fs_client *fsc = ceph_inode_to_client(&ci->netfs.inode); struct ceph_mds_client *mdsc = fsc->mdsc; struct ceph_osd_request *rd_req = NULL, *wr_req = NULL; struct rb_node **p, *parent; @@ -1913,7 +1913,7 @@ static int __ceph_pool_perm_get(struct ceph_inode_info *ci, 0, false, true); err = ceph_osdc_start_request(&fsc->client->osdc, rd_req, false); - wr_req->r_mtime = ci->vfs_inode.i_mtime; + wr_req->r_mtime = ci->netfs.inode.i_mtime; err2 = ceph_osdc_start_request(&fsc->client->osdc, wr_req, false); if (!err) diff --git a/fs/ceph/cache.c b/fs/ceph/cache.c index ddea99922073..177d8e8d73fe 100644 --- a/fs/ceph/cache.c +++ b/fs/ceph/cache.c @@ -29,9 +29,9 @@ void ceph_fscache_register_inode_cookie(struct inode *inode) if (!(inode->i_state & I_NEW)) return; - WARN_ON_ONCE(ci->netfs_ctx.cache); + WARN_ON_ONCE(ci->netfs.cache); - ci->netfs_ctx.cache = + ci->netfs.cache = fscache_acquire_cookie(fsc->fscache, 0, &ci->i_vino, sizeof(ci->i_vino), &ci->i_version, sizeof(ci->i_version), diff --git a/fs/ceph/cache.h b/fs/ceph/cache.h index 7255b790a4c1..26c6ae06e2f4 100644 --- a/fs/ceph/cache.h +++ b/fs/ceph/cache.h @@ -28,7 +28,7 @@ void ceph_fscache_invalidate(struct inode *inode, bool dio_write); static inline struct fscache_cookie *ceph_fscache_cookie(struct ceph_inode_info *ci) { - return netfs_i_cookie(&ci->vfs_inode); + return netfs_i_cookie(&ci->netfs.inode); } static inline void ceph_fscache_resize(struct inode *inode, loff_t to) diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index bf2e94005598..38c930384d41 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -492,7 +492,7 @@ static void __cap_set_timeouts(struct ceph_mds_client *mdsc, struct ceph_mount_options *opt = mdsc->fsc->mount_options; ci->i_hold_caps_max = round_jiffies(jiffies + opt->caps_wanted_delay_max * HZ); - dout("__cap_set_timeouts %p %lu\n", &ci->vfs_inode, + dout("__cap_set_timeouts %p %lu\n", &ci->netfs.inode, ci->i_hold_caps_max - jiffies); } @@ -507,7 +507,7 @@ static void __cap_set_timeouts(struct ceph_mds_client *mdsc, static void __cap_delay_requeue(struct ceph_mds_client *mdsc, struct ceph_inode_info *ci) { - dout("__cap_delay_requeue %p flags 0x%lx at %lu\n", &ci->vfs_inode, + dout("__cap_delay_requeue %p flags 0x%lx at %lu\n", &ci->netfs.inode, ci->i_ceph_flags, ci->i_hold_caps_max); if (!mdsc->stopping) { spin_lock(&mdsc->cap_delay_lock); @@ -531,7 +531,7 @@ static void __cap_delay_requeue(struct ceph_mds_client *mdsc, static void __cap_delay_requeue_front(struct ceph_mds_client *mdsc, struct ceph_inode_info *ci) { - dout("__cap_delay_requeue_front %p\n", &ci->vfs_inode); + dout("__cap_delay_requeue_front %p\n", &ci->netfs.inode); spin_lock(&mdsc->cap_delay_lock); ci->i_ceph_flags |= CEPH_I_FLUSH; if (!list_empty(&ci->i_cap_delay_list)) @@ -548,7 +548,7 @@ static void __cap_delay_requeue_front(struct ceph_mds_client *mdsc, static void __cap_delay_cancel(struct ceph_mds_client *mdsc, struct ceph_inode_info *ci) { - dout("__cap_delay_cancel %p\n", &ci->vfs_inode); + dout("__cap_delay_cancel %p\n", &ci->netfs.inode); if (list_empty(&ci->i_cap_delay_list)) return; spin_lock(&mdsc->cap_delay_lock); @@ -568,7 +568,7 @@ static void __check_cap_issue(struct ceph_inode_info *ci, struct ceph_cap *cap, * Each time we receive FILE_CACHE anew, we increment * i_rdcache_gen. */ - if (S_ISREG(ci->vfs_inode.i_mode) && + if (S_ISREG(ci->netfs.inode.i_mode) && (issued & (CEPH_CAP_FILE_CACHE|CEPH_CAP_FILE_LAZYIO)) && (had & (CEPH_CAP_FILE_CACHE|CEPH_CAP_FILE_LAZYIO)) == 0) { ci->i_rdcache_gen++; @@ -583,14 +583,14 @@ static void __check_cap_issue(struct ceph_inode_info *ci, struct ceph_cap *cap, if ((issued & CEPH_CAP_FILE_SHARED) != (had & CEPH_CAP_FILE_SHARED)) { if (issued & CEPH_CAP_FILE_SHARED) atomic_inc(&ci->i_shared_gen); - if (S_ISDIR(ci->vfs_inode.i_mode)) { - dout(" marking %p NOT complete\n", &ci->vfs_inode); + if (S_ISDIR(ci->netfs.inode.i_mode)) { + dout(" marking %p NOT complete\n", &ci->netfs.inode); __ceph_dir_clear_complete(ci); } } /* Wipe saved layout if we're losing DIR_CREATE caps */ - if (S_ISDIR(ci->vfs_inode.i_mode) && (had & CEPH_CAP_DIR_CREATE) && + if (S_ISDIR(ci->netfs.inode.i_mode) && (had & CEPH_CAP_DIR_CREATE) && !(issued & CEPH_CAP_DIR_CREATE)) { ceph_put_string(rcu_dereference_raw(ci->i_cached_layout.pool_ns)); memset(&ci->i_cached_layout, 0, sizeof(ci->i_cached_layout)); @@ -771,7 +771,7 @@ static int __cap_is_valid(struct ceph_cap *cap) if (cap->cap_gen < gen || time_after_eq(jiffies, ttl)) { dout("__cap_is_valid %p cap %p issued %s " - "but STALE (gen %u vs %u)\n", &cap->ci->vfs_inode, + "but STALE (gen %u vs %u)\n", &cap->ci->netfs.inode, cap, ceph_cap_string(cap->issued), cap->cap_gen, gen); return 0; } @@ -797,7 +797,7 @@ int __ceph_caps_issued(struct ceph_inode_info *ci, int *implemented) if (!__cap_is_valid(cap)) continue; dout("__ceph_caps_issued %p cap %p issued %s\n", - &ci->vfs_inode, cap, ceph_cap_string(cap->issued)); + &ci->netfs.inode, cap, ceph_cap_string(cap->issued)); have |= cap->issued; if (implemented) *implemented |= cap->implemented; @@ -844,12 +844,12 @@ static void __touch_cap(struct ceph_cap *cap) spin_lock(&s->s_cap_lock); if (!s->s_cap_iterator) { - dout("__touch_cap %p cap %p mds%d\n", &cap->ci->vfs_inode, cap, + dout("__touch_cap %p cap %p mds%d\n", &cap->ci->netfs.inode, cap, s->s_mds); list_move_tail(&cap->session_caps, &s->s_caps); } else { dout("__touch_cap %p cap %p mds%d NOP, iterating over caps\n", - &cap->ci->vfs_inode, cap, s->s_mds); + &cap->ci->netfs.inode, cap, s->s_mds); } spin_unlock(&s->s_cap_lock); } @@ -867,7 +867,7 @@ int __ceph_caps_issued_mask(struct ceph_inode_info *ci, int mask, int touch) if ((have & mask) == mask) { dout("__ceph_caps_issued_mask ino 0x%llx snap issued %s" - " (mask %s)\n", ceph_ino(&ci->vfs_inode), + " (mask %s)\n", ceph_ino(&ci->netfs.inode), ceph_cap_string(have), ceph_cap_string(mask)); return 1; @@ -879,7 +879,7 @@ int __ceph_caps_issued_mask(struct ceph_inode_info *ci, int mask, int touch) continue; if ((cap->issued & mask) == mask) { dout("__ceph_caps_issued_mask ino 0x%llx cap %p issued %s" - " (mask %s)\n", ceph_ino(&ci->vfs_inode), cap, + " (mask %s)\n", ceph_ino(&ci->netfs.inode), cap, ceph_cap_string(cap->issued), ceph_cap_string(mask)); if (touch) @@ -891,7 +891,7 @@ int __ceph_caps_issued_mask(struct ceph_inode_info *ci, int mask, int touch) have |= cap->issued; if ((have & mask) == mask) { dout("__ceph_caps_issued_mask ino 0x%llx combo issued %s" - " (mask %s)\n", ceph_ino(&ci->vfs_inode), + " (mask %s)\n", ceph_ino(&ci->netfs.inode), ceph_cap_string(cap->issued), ceph_cap_string(mask)); if (touch) { @@ -919,7 +919,7 @@ int __ceph_caps_issued_mask(struct ceph_inode_info *ci, int mask, int touch) int __ceph_caps_issued_mask_metric(struct ceph_inode_info *ci, int mask, int touch) { - struct ceph_fs_client *fsc = ceph_sb_to_client(ci->vfs_inode.i_sb); + struct ceph_fs_client *fsc = ceph_sb_to_client(ci->netfs.inode.i_sb); int r; r = __ceph_caps_issued_mask(ci, mask, touch); @@ -950,7 +950,7 @@ int __ceph_caps_revoking_other(struct ceph_inode_info *ci, int ceph_caps_revoking(struct ceph_inode_info *ci, int mask) { - struct inode *inode = &ci->vfs_inode; + struct inode *inode = &ci->netfs.inode; int ret; spin_lock(&ci->i_ceph_lock); @@ -969,8 +969,8 @@ int __ceph_caps_used(struct ceph_inode_info *ci) if (ci->i_rd_ref) used |= CEPH_CAP_FILE_RD; if (ci->i_rdcache_ref || - (S_ISREG(ci->vfs_inode.i_mode) && - ci->vfs_inode.i_data.nrpages)) + (S_ISREG(ci->netfs.inode.i_mode) && + ci->netfs.inode.i_data.nrpages)) used |= CEPH_CAP_FILE_CACHE; if (ci->i_wr_ref) used |= CEPH_CAP_FILE_WR; @@ -993,11 +993,11 @@ int __ceph_caps_file_wanted(struct ceph_inode_info *ci) const int WR_SHIFT = ffs(CEPH_FILE_MODE_WR); const int LAZY_SHIFT = ffs(CEPH_FILE_MODE_LAZY); struct ceph_mount_options *opt = - ceph_inode_to_client(&ci->vfs_inode)->mount_options; + ceph_inode_to_client(&ci->netfs.inode)->mount_options; unsigned long used_cutoff = jiffies - opt->caps_wanted_delay_max * HZ; unsigned long idle_cutoff = jiffies - opt->caps_wanted_delay_min * HZ; - if (S_ISDIR(ci->vfs_inode.i_mode)) { + if (S_ISDIR(ci->netfs.inode.i_mode)) { int want = 0; /* use used_cutoff here, to keep dir's wanted caps longer */ @@ -1050,7 +1050,7 @@ int __ceph_caps_file_wanted(struct ceph_inode_info *ci) int __ceph_caps_wanted(struct ceph_inode_info *ci) { int w = __ceph_caps_file_wanted(ci) | __ceph_caps_used(ci); - if (S_ISDIR(ci->vfs_inode.i_mode)) { + if (S_ISDIR(ci->netfs.inode.i_mode)) { /* we want EXCL if holding caps of dir ops */ if (w & CEPH_CAP_ANY_DIR_OPS) w |= CEPH_CAP_FILE_EXCL; @@ -1116,9 +1116,9 @@ void __ceph_remove_cap(struct ceph_cap *cap, bool queue_release) lockdep_assert_held(&ci->i_ceph_lock); - dout("__ceph_remove_cap %p from %p\n", cap, &ci->vfs_inode); + dout("__ceph_remove_cap %p from %p\n", cap, &ci->netfs.inode); - mdsc = ceph_inode_to_client(&ci->vfs_inode)->mdsc; + mdsc = ceph_inode_to_client(&ci->netfs.inode)->mdsc; /* remove from inode's cap rbtree, and clear auth cap */ rb_erase(&cap->ci_node, &ci->i_caps); @@ -1169,7 +1169,7 @@ void __ceph_remove_cap(struct ceph_cap *cap, bool queue_release) * keep i_snap_realm. */ if (ci->i_wr_ref == 0 && ci->i_snap_realm) - ceph_change_snap_realm(&ci->vfs_inode, NULL); + ceph_change_snap_realm(&ci->netfs.inode, NULL); __cap_delay_cancel(mdsc, ci); } @@ -1188,11 +1188,11 @@ void ceph_remove_cap(struct ceph_cap *cap, bool queue_release) lockdep_assert_held(&ci->i_ceph_lock); - fsc = ceph_inode_to_client(&ci->vfs_inode); + fsc = ceph_inode_to_client(&ci->netfs.inode); WARN_ON_ONCE(ci->i_auth_cap == cap && !list_empty(&ci->i_dirty_item) && !fsc->blocklisted && - !ceph_inode_is_shutdown(&ci->vfs_inode)); + !ceph_inode_is_shutdown(&ci->netfs.inode)); __ceph_remove_cap(cap, queue_release); } @@ -1343,7 +1343,7 @@ static void __prep_cap(struct cap_msg_args *arg, struct ceph_cap *cap, int flushing, u64 flush_tid, u64 oldest_flush_tid) { struct ceph_inode_info *ci = cap->ci; - struct inode *inode = &ci->vfs_inode; + struct inode *inode = &ci->netfs.inode; int held, revoking; lockdep_assert_held(&ci->i_ceph_lock); @@ -1440,7 +1440,7 @@ static void __prep_cap(struct cap_msg_args *arg, struct ceph_cap *cap, static void __send_cap(struct cap_msg_args *arg, struct ceph_inode_info *ci) { struct ceph_msg *msg; - struct inode *inode = &ci->vfs_inode; + struct inode *inode = &ci->netfs.inode; msg = ceph_msg_new(CEPH_MSG_CLIENT_CAPS, CAP_MSG_SIZE, GFP_NOFS, false); if (!msg) { @@ -1528,7 +1528,7 @@ static void __ceph_flush_snaps(struct ceph_inode_info *ci, __releases(ci->i_ceph_lock) __acquires(ci->i_ceph_lock) { - struct inode *inode = &ci->vfs_inode; + struct inode *inode = &ci->netfs.inode; struct ceph_mds_client *mdsc = session->s_mdsc; struct ceph_cap_snap *capsnap; u64 oldest_flush_tid = 0; @@ -1622,7 +1622,7 @@ static void __ceph_flush_snaps(struct ceph_inode_info *ci, void ceph_flush_snaps(struct ceph_inode_info *ci, struct ceph_mds_session **psession) { - struct inode *inode = &ci->vfs_inode; + struct inode *inode = &ci->netfs.inode; struct ceph_mds_client *mdsc = ceph_inode_to_client(inode)->mdsc; struct ceph_mds_session *session = NULL; int mds; @@ -1682,8 +1682,8 @@ int __ceph_mark_dirty_caps(struct ceph_inode_info *ci, int mask, struct ceph_cap_flush **pcf) { struct ceph_mds_client *mdsc = - ceph_sb_to_client(ci->vfs_inode.i_sb)->mdsc; - struct inode *inode = &ci->vfs_inode; + ceph_sb_to_client(ci->netfs.inode.i_sb)->mdsc; + struct inode *inode = &ci->netfs.inode; int was = ci->i_dirty_caps; int dirty = 0; @@ -1696,7 +1696,7 @@ int __ceph_mark_dirty_caps(struct ceph_inode_info *ci, int mask, return 0; } - dout("__mark_dirty_caps %p %s dirty %s -> %s\n", &ci->vfs_inode, + dout("__mark_dirty_caps %p %s dirty %s -> %s\n", &ci->netfs.inode, ceph_cap_string(mask), ceph_cap_string(was), ceph_cap_string(was | mask)); ci->i_dirty_caps |= mask; @@ -1712,7 +1712,7 @@ int __ceph_mark_dirty_caps(struct ceph_inode_info *ci, int mask, ci->i_snap_realm->cached_context); } dout(" inode %p now dirty snapc %p auth cap %p\n", - &ci->vfs_inode, ci->i_head_snapc, ci->i_auth_cap); + &ci->netfs.inode, ci->i_head_snapc, ci->i_auth_cap); BUG_ON(!list_empty(&ci->i_dirty_item)); spin_lock(&mdsc->cap_dirty_lock); list_add(&ci->i_dirty_item, &session->s_cap_dirty); @@ -1875,7 +1875,7 @@ static int try_nonblocking_invalidate(struct inode *inode) bool __ceph_should_report_size(struct ceph_inode_info *ci) { - loff_t size = i_size_read(&ci->vfs_inode); + loff_t size = i_size_read(&ci->netfs.inode); /* mds will adjust max size according to the reported size */ if (ci->i_flushing_caps & CEPH_CAP_FILE_WR) return false; @@ -1900,7 +1900,7 @@ bool __ceph_should_report_size(struct ceph_inode_info *ci) void ceph_check_caps(struct ceph_inode_info *ci, int flags, struct ceph_mds_session *session) { - struct inode *inode = &ci->vfs_inode; + struct inode *inode = &ci->netfs.inode; struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(inode->i_sb); struct ceph_cap *cap; u64 flush_tid, oldest_flush_tid; @@ -2467,7 +2467,7 @@ static void __kick_flushing_caps(struct ceph_mds_client *mdsc, __releases(ci->i_ceph_lock) __acquires(ci->i_ceph_lock) { - struct inode *inode = &ci->vfs_inode; + struct inode *inode = &ci->netfs.inode; struct ceph_cap *cap; struct ceph_cap_flush *cf; int ret; @@ -2560,7 +2560,7 @@ void ceph_early_kick_flushing_caps(struct ceph_mds_client *mdsc, cap = ci->i_auth_cap; if (!(cap && cap->session == session)) { pr_err("%p auth cap %p not mds%d ???\n", - &ci->vfs_inode, cap, session->s_mds); + &ci->netfs.inode, cap, session->s_mds); spin_unlock(&ci->i_ceph_lock); continue; } @@ -2610,7 +2610,7 @@ void ceph_kick_flushing_caps(struct ceph_mds_client *mdsc, cap = ci->i_auth_cap; if (!(cap && cap->session == session)) { pr_err("%p auth cap %p not mds%d ???\n", - &ci->vfs_inode, cap, session->s_mds); + &ci->netfs.inode, cap, session->s_mds); spin_unlock(&ci->i_ceph_lock); continue; } @@ -2630,7 +2630,7 @@ void ceph_kick_flushing_inode_caps(struct ceph_mds_session *session, lockdep_assert_held(&ci->i_ceph_lock); - dout("%s %p flushing %s\n", __func__, &ci->vfs_inode, + dout("%s %p flushing %s\n", __func__, &ci->netfs.inode, ceph_cap_string(ci->i_flushing_caps)); if (!list_empty(&ci->i_cap_flush_list)) { @@ -2673,10 +2673,10 @@ void ceph_take_cap_refs(struct ceph_inode_info *ci, int got, } if (got & CEPH_CAP_FILE_BUFFER) { if (ci->i_wb_ref == 0) - ihold(&ci->vfs_inode); + ihold(&ci->netfs.inode); ci->i_wb_ref++; dout("%s %p wb %d -> %d (?)\n", __func__, - &ci->vfs_inode, ci->i_wb_ref-1, ci->i_wb_ref); + &ci->netfs.inode, ci->i_wb_ref-1, ci->i_wb_ref); } } @@ -3004,7 +3004,7 @@ int ceph_get_caps(struct file *filp, int need, int want, loff_t endoff, int *got return ret; } - if (S_ISREG(ci->vfs_inode.i_mode) && + if (S_ISREG(ci->netfs.inode.i_mode) && ci->i_inline_version != CEPH_INLINE_NONE && (_got & (CEPH_CAP_FILE_CACHE|CEPH_CAP_FILE_LAZYIO)) && i_size_read(inode) > 0) { @@ -3094,7 +3094,7 @@ enum put_cap_refs_mode { static void __ceph_put_cap_refs(struct ceph_inode_info *ci, int had, enum put_cap_refs_mode mode) { - struct inode *inode = &ci->vfs_inode; + struct inode *inode = &ci->netfs.inode; int last = 0, put = 0, flushsnaps = 0, wake = 0; bool check_flushsnaps = false; @@ -3202,7 +3202,7 @@ void ceph_put_cap_refs_no_check_caps(struct ceph_inode_info *ci, int had) void ceph_put_wrbuffer_cap_refs(struct ceph_inode_info *ci, int nr, struct ceph_snap_context *snapc) { - struct inode *inode = &ci->vfs_inode; + struct inode *inode = &ci->netfs.inode; struct ceph_cap_snap *capsnap = NULL, *iter; int put = 0; bool last = false; @@ -3698,7 +3698,7 @@ static void handle_cap_flush_ack(struct inode *inode, u64 flush_tid, session->s_mds, &list_first_entry(&session->s_cap_flushing, struct ceph_inode_info, - i_flushing_item)->vfs_inode); + i_flushing_item)->netfs.inode); } } mdsc->num_cap_flushing--; @@ -4345,7 +4345,7 @@ unsigned long ceph_check_delayed_caps(struct ceph_mds_client *mdsc) break; list_del_init(&ci->i_cap_delay_list); - inode = igrab(&ci->vfs_inode); + inode = igrab(&ci->netfs.inode); if (inode) { spin_unlock(&mdsc->cap_delay_lock); dout("check_delayed_caps on %p\n", inode); @@ -4373,7 +4373,7 @@ static void flush_dirty_session_caps(struct ceph_mds_session *s) while (!list_empty(&s->s_cap_dirty)) { ci = list_first_entry(&s->s_cap_dirty, struct ceph_inode_info, i_dirty_item); - inode = &ci->vfs_inode; + inode = &ci->netfs.inode; ihold(inode); dout("flush_dirty_caps %llx.%llx\n", ceph_vinop(inode)); spin_unlock(&mdsc->cap_dirty_lock); @@ -4407,7 +4407,7 @@ void __ceph_touch_fmode(struct ceph_inode_info *ci, void ceph_get_fmode(struct ceph_inode_info *ci, int fmode, int count) { - struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(ci->vfs_inode.i_sb); + struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(ci->netfs.inode.i_sb); int bits = (fmode << 1) | 1; bool already_opened = false; int i; @@ -4441,7 +4441,7 @@ void ceph_get_fmode(struct ceph_inode_info *ci, int fmode, int count) */ void ceph_put_fmode(struct ceph_inode_info *ci, int fmode, int count) { - struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(ci->vfs_inode.i_sb); + struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(ci->netfs.inode.i_sb); int bits = (fmode << 1) | 1; bool is_closed = true; int i; @@ -4656,7 +4656,7 @@ int ceph_purge_inode_cap(struct inode *inode, struct ceph_cap *cap, bool *invali lockdep_assert_held(&ci->i_ceph_lock); dout("removing cap %p, ci is %p, inode is %p\n", - cap, ci, &ci->vfs_inode); + cap, ci, &ci->netfs.inode); is_auth = (cap == ci->i_auth_cap); __ceph_remove_cap(cap, false); diff --git a/fs/ceph/file.c b/fs/ceph/file.c index 8c8226c0feac..da59e836a06e 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -205,7 +205,7 @@ static int ceph_init_file_info(struct inode *inode, struct file *file, { struct ceph_inode_info *ci = ceph_inode(inode); struct ceph_mount_options *opt = - ceph_inode_to_client(&ci->vfs_inode)->mount_options; + ceph_inode_to_client(&ci->netfs.inode)->mount_options; struct ceph_file_info *fi; int ret; diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index b7e9cac3aeef..650746b3ba99 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -176,7 +176,7 @@ static struct ceph_inode_frag *__get_or_create_frag(struct ceph_inode_info *ci, rb_insert_color(&frag->node, &ci->i_fragtree); dout("get_or_create_frag added %llx.%llx frag %x\n", - ceph_vinop(&ci->vfs_inode), f); + ceph_vinop(&ci->netfs.inode), f); return frag; } @@ -457,10 +457,10 @@ struct inode *ceph_alloc_inode(struct super_block *sb) if (!ci) return NULL; - dout("alloc_inode %p\n", &ci->vfs_inode); + dout("alloc_inode %p\n", &ci->netfs.inode); /* Set parameters for the netfs library */ - netfs_i_context_init(&ci->vfs_inode, &ceph_netfs_ops); + netfs_inode_init(&ci->netfs.inode, &ceph_netfs_ops); spin_lock_init(&ci->i_ceph_lock); @@ -547,7 +547,7 @@ struct inode *ceph_alloc_inode(struct super_block *sb) INIT_WORK(&ci->i_work, ceph_inode_work); ci->i_work_mask = 0; memset(&ci->i_btime, '\0', sizeof(ci->i_btime)); - return &ci->vfs_inode; + return &ci->netfs.inode; } void ceph_free_inode(struct inode *inode) @@ -1978,7 +1978,7 @@ static void ceph_inode_work(struct work_struct *work) { struct ceph_inode_info *ci = container_of(work, struct ceph_inode_info, i_work); - struct inode *inode = &ci->vfs_inode; + struct inode *inode = &ci->netfs.inode; if (test_and_clear_bit(CEPH_I_WORK_WRITEBACK, &ci->i_work_mask)) { dout("writeback %p\n", inode); diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index f5d110d90b77..33f517d549ce 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -1564,7 +1564,7 @@ int ceph_iterate_session_caps(struct ceph_mds_session *session, p = session->s_caps.next; while (p != &session->s_caps) { cap = list_entry(p, struct ceph_cap, session_caps); - inode = igrab(&cap->ci->vfs_inode); + inode = igrab(&cap->ci->netfs.inode); if (!inode) { p = p->next; continue; @@ -1622,7 +1622,7 @@ static int remove_session_caps_cb(struct inode *inode, struct ceph_cap *cap, int iputs; dout("removing cap %p, ci is %p, inode is %p\n", - cap, ci, &ci->vfs_inode); + cap, ci, &ci->netfs.inode); spin_lock(&ci->i_ceph_lock); iputs = ceph_purge_inode_cap(inode, cap, &invalidate); spin_unlock(&ci->i_ceph_lock); diff --git a/fs/ceph/snap.c b/fs/ceph/snap.c index 322ee5add942..864cdaa0d2bd 100644 --- a/fs/ceph/snap.c +++ b/fs/ceph/snap.c @@ -521,7 +521,7 @@ static bool has_new_snaps(struct ceph_snap_context *o, static void ceph_queue_cap_snap(struct ceph_inode_info *ci, struct ceph_cap_snap **pcapsnap) { - struct inode *inode = &ci->vfs_inode; + struct inode *inode = &ci->netfs.inode; struct ceph_snap_context *old_snapc, *new_snapc; struct ceph_cap_snap *capsnap = *pcapsnap; struct ceph_buffer *old_blob = NULL; @@ -652,7 +652,7 @@ static void ceph_queue_cap_snap(struct ceph_inode_info *ci, int __ceph_finish_cap_snap(struct ceph_inode_info *ci, struct ceph_cap_snap *capsnap) { - struct inode *inode = &ci->vfs_inode; + struct inode *inode = &ci->netfs.inode; struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(inode->i_sb); BUG_ON(capsnap->writing); @@ -712,7 +712,7 @@ static void queue_realm_cap_snaps(struct ceph_snap_realm *realm) spin_lock(&realm->inodes_with_caps_lock); list_for_each_entry(ci, &realm->inodes_with_caps, i_snap_realm_item) { - struct inode *inode = igrab(&ci->vfs_inode); + struct inode *inode = igrab(&ci->netfs.inode); if (!inode) continue; spin_unlock(&realm->inodes_with_caps_lock); @@ -904,7 +904,7 @@ static void flush_snaps(struct ceph_mds_client *mdsc) while (!list_empty(&mdsc->snap_flush_list)) { ci = list_first_entry(&mdsc->snap_flush_list, struct ceph_inode_info, i_snap_flush_item); - inode = &ci->vfs_inode; + inode = &ci->netfs.inode; ihold(inode); spin_unlock(&mdsc->snap_flush_lock); ceph_flush_snaps(ci, &session); diff --git a/fs/ceph/super.c b/fs/ceph/super.c index b73b4f75462c..40140805bdcf 100644 --- a/fs/ceph/super.c +++ b/fs/ceph/super.c @@ -876,7 +876,7 @@ mempool_t *ceph_wb_pagevec_pool; static void ceph_inode_init_once(void *foo) { struct ceph_inode_info *ci = foo; - inode_init_once(&ci->vfs_inode); + inode_init_once(&ci->netfs.inode); } static int __init init_caches(void) diff --git a/fs/ceph/super.h b/fs/ceph/super.h index dd7dac0f984a..f59dac66955b 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -316,11 +316,7 @@ struct ceph_inode_xattrs_info { * Ceph inode. */ struct ceph_inode_info { - struct { - /* These must be contiguous */ - struct inode vfs_inode; - struct netfs_i_context netfs_ctx; /* Netfslib context */ - }; + struct netfs_inode netfs; /* Netfslib context and vfs inode */ struct ceph_vino i_vino; /* ceph ino + snap */ spinlock_t i_ceph_lock; @@ -436,7 +432,7 @@ struct ceph_inode_info { static inline struct ceph_inode_info * ceph_inode(const struct inode *inode) { - return container_of(inode, struct ceph_inode_info, vfs_inode); + return container_of(inode, struct ceph_inode_info, netfs.inode); } static inline struct ceph_fs_client * @@ -1316,7 +1312,7 @@ static inline void __ceph_update_quota(struct ceph_inode_info *ci, has_quota = __ceph_has_quota(ci, QUOTA_GET_ANY); if (had_quota != has_quota) - ceph_adjust_quota_realms_count(&ci->vfs_inode, has_quota); + ceph_adjust_quota_realms_count(&ci->netfs.inode, has_quota); } extern void ceph_handle_quota(struct ceph_mds_client *mdsc, diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c index 8c2dc2c762a4..f141f5246163 100644 --- a/fs/ceph/xattr.c +++ b/fs/ceph/xattr.c @@ -57,7 +57,7 @@ static bool ceph_vxattrcb_layout_exists(struct ceph_inode_info *ci) static ssize_t ceph_vxattrcb_layout(struct ceph_inode_info *ci, char *val, size_t size) { - struct ceph_fs_client *fsc = ceph_sb_to_client(ci->vfs_inode.i_sb); + struct ceph_fs_client *fsc = ceph_sb_to_client(ci->netfs.inode.i_sb); struct ceph_osd_client *osdc = &fsc->client->osdc; struct ceph_string *pool_ns; s64 pool = ci->i_layout.pool_id; @@ -69,7 +69,7 @@ static ssize_t ceph_vxattrcb_layout(struct ceph_inode_info *ci, char *val, pool_ns = ceph_try_get_string(ci->i_layout.pool_ns); - dout("ceph_vxattrcb_layout %p\n", &ci->vfs_inode); + dout("ceph_vxattrcb_layout %p\n", &ci->netfs.inode); down_read(&osdc->lock); pool_name = ceph_pg_pool_name_by_id(osdc->osdmap, pool); if (pool_name) { @@ -161,7 +161,7 @@ static ssize_t ceph_vxattrcb_layout_pool(struct ceph_inode_info *ci, char *val, size_t size) { ssize_t ret; - struct ceph_fs_client *fsc = ceph_sb_to_client(ci->vfs_inode.i_sb); + struct ceph_fs_client *fsc = ceph_sb_to_client(ci->netfs.inode.i_sb); struct ceph_osd_client *osdc = &fsc->client->osdc; s64 pool = ci->i_layout.pool_id; const char *pool_name; @@ -313,7 +313,7 @@ static ssize_t ceph_vxattrcb_snap_btime(struct ceph_inode_info *ci, char *val, static ssize_t ceph_vxattrcb_cluster_fsid(struct ceph_inode_info *ci, char *val, size_t size) { - struct ceph_fs_client *fsc = ceph_sb_to_client(ci->vfs_inode.i_sb); + struct ceph_fs_client *fsc = ceph_sb_to_client(ci->netfs.inode.i_sb); return ceph_fmt_xattr(val, size, "%pU", &fsc->client->fsid); } @@ -321,7 +321,7 @@ static ssize_t ceph_vxattrcb_cluster_fsid(struct ceph_inode_info *ci, static ssize_t ceph_vxattrcb_client_id(struct ceph_inode_info *ci, char *val, size_t size) { - struct ceph_fs_client *fsc = ceph_sb_to_client(ci->vfs_inode.i_sb); + struct ceph_fs_client *fsc = ceph_sb_to_client(ci->netfs.inode.i_sb); return ceph_fmt_xattr(val, size, "client%lld", ceph_client_gid(fsc->client)); @@ -629,7 +629,7 @@ static int __set_xattr(struct ceph_inode_info *ci, } dout("__set_xattr_val added %llx.%llx xattr %p %.*s=%.*s\n", - ceph_vinop(&ci->vfs_inode), xattr, name_len, name, val_len, val); + ceph_vinop(&ci->netfs.inode), xattr, name_len, name, val_len, val); return 0; } @@ -871,7 +871,7 @@ struct ceph_buffer *__ceph_build_xattrs_blob(struct ceph_inode_info *ci) struct ceph_buffer *old_blob = NULL; void *dest; - dout("__build_xattrs_blob %p\n", &ci->vfs_inode); + dout("__build_xattrs_blob %p\n", &ci->netfs.inode); if (ci->i_xattrs.dirty) { int need = __get_required_blob_size(ci, 0, 0); diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 12c872800326..c85d9a378325 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -377,7 +377,7 @@ cifs_alloc_inode(struct super_block *sb) cifs_inode->flags = 0; spin_lock_init(&cifs_inode->writers_lock); cifs_inode->writers = 0; - cifs_inode->vfs_inode.i_blkbits = 14; /* 2**14 = CIFS_MAX_MSGSIZE */ + cifs_inode->netfs.inode.i_blkbits = 14; /* 2**14 = CIFS_MAX_MSGSIZE */ cifs_inode->server_eof = 0; cifs_inode->uniqueid = 0; cifs_inode->createtime = 0; @@ -389,12 +389,12 @@ cifs_alloc_inode(struct super_block *sb) * Can not set i_flags here - they get immediately overwritten to zero * by the VFS. */ - /* cifs_inode->vfs_inode.i_flags = S_NOATIME | S_NOCMTIME; */ + /* cifs_inode->netfs.inode.i_flags = S_NOATIME | S_NOCMTIME; */ INIT_LIST_HEAD(&cifs_inode->openFileList); INIT_LIST_HEAD(&cifs_inode->llist); INIT_LIST_HEAD(&cifs_inode->deferred_closes); spin_lock_init(&cifs_inode->deferred_lock); - return &cifs_inode->vfs_inode; + return &cifs_inode->netfs.inode; } static void @@ -1418,7 +1418,7 @@ cifs_init_once(void *inode) { struct cifsInodeInfo *cifsi = inode; - inode_init_once(&cifsi->vfs_inode); + inode_init_once(&cifsi->netfs.inode); init_rwsem(&cifsi->lock_sem); } diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index f873379066c7..e7737166e5b8 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -1479,20 +1479,16 @@ void cifsFileInfo_put(struct cifsFileInfo *cifs_file); #define CIFS_CACHE_RW_FLG (CIFS_CACHE_READ_FLG | CIFS_CACHE_WRITE_FLG) #define CIFS_CACHE_RHW_FLG (CIFS_CACHE_RW_FLG | CIFS_CACHE_HANDLE_FLG) -#define CIFS_CACHE_READ(cinode) ((cinode->oplock & CIFS_CACHE_READ_FLG) || (CIFS_SB(cinode->vfs_inode.i_sb)->mnt_cifs_flags & CIFS_MOUNT_RO_CACHE)) +#define CIFS_CACHE_READ(cinode) ((cinode->oplock & CIFS_CACHE_READ_FLG) || (CIFS_SB(cinode->netfs.inode.i_sb)->mnt_cifs_flags & CIFS_MOUNT_RO_CACHE)) #define CIFS_CACHE_HANDLE(cinode) (cinode->oplock & CIFS_CACHE_HANDLE_FLG) -#define CIFS_CACHE_WRITE(cinode) ((cinode->oplock & CIFS_CACHE_WRITE_FLG) || (CIFS_SB(cinode->vfs_inode.i_sb)->mnt_cifs_flags & CIFS_MOUNT_RW_CACHE)) +#define CIFS_CACHE_WRITE(cinode) ((cinode->oplock & CIFS_CACHE_WRITE_FLG) || (CIFS_SB(cinode->netfs.inode.i_sb)->mnt_cifs_flags & CIFS_MOUNT_RW_CACHE)) /* * One of these for each file inode */ struct cifsInodeInfo { - struct { - /* These must be contiguous */ - struct inode vfs_inode; /* the VFS's inode record */ - struct netfs_i_context netfs_ctx; /* Netfslib context */ - }; + struct netfs_inode netfs; /* Netfslib context and vfs inode */ bool can_cache_brlcks; struct list_head llist; /* locks helb by this inode */ /* @@ -1531,7 +1527,7 @@ struct cifsInodeInfo { static inline struct cifsInodeInfo * CIFS_I(struct inode *inode) { - return container_of(inode, struct cifsInodeInfo, vfs_inode); + return container_of(inode, struct cifsInodeInfo, netfs.inode); } static inline struct cifs_sb_info * diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 1618e0537d58..e64cda7a7610 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -2004,7 +2004,7 @@ struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *cifs_inode, bool fsuid_only) { struct cifsFileInfo *open_file = NULL; - struct cifs_sb_info *cifs_sb = CIFS_SB(cifs_inode->vfs_inode.i_sb); + struct cifs_sb_info *cifs_sb = CIFS_SB(cifs_inode->netfs.inode.i_sb); /* only filter by fsuid on multiuser mounts */ if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MULTIUSER)) @@ -2060,7 +2060,7 @@ cifs_get_writable_file(struct cifsInodeInfo *cifs_inode, int flags, return rc; } - cifs_sb = CIFS_SB(cifs_inode->vfs_inode.i_sb); + cifs_sb = CIFS_SB(cifs_inode->netfs.inode.i_sb); /* only filter by fsuid on multiuser mounts */ if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MULTIUSER)) @@ -4669,14 +4669,14 @@ bool is_size_safe_to_change(struct cifsInodeInfo *cifsInode, __u64 end_of_file) /* This inode is open for write at least once */ struct cifs_sb_info *cifs_sb; - cifs_sb = CIFS_SB(cifsInode->vfs_inode.i_sb); + cifs_sb = CIFS_SB(cifsInode->netfs.inode.i_sb); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DIRECT_IO) { /* since no page cache to corrupt on directio we can change size safely */ return true; } - if (i_size_read(&cifsInode->vfs_inode) < end_of_file) + if (i_size_read(&cifsInode->netfs.inode) < end_of_file) return true; return false; diff --git a/fs/cifs/fscache.c b/fs/cifs/fscache.c index a638b29e9062..23ef56f55ce5 100644 --- a/fs/cifs/fscache.c +++ b/fs/cifs/fscache.c @@ -101,13 +101,13 @@ void cifs_fscache_get_inode_cookie(struct inode *inode) struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb); struct cifs_tcon *tcon = cifs_sb_master_tcon(cifs_sb); - cifs_fscache_fill_coherency(&cifsi->vfs_inode, &cd); + cifs_fscache_fill_coherency(&cifsi->netfs.inode, &cd); - cifsi->netfs_ctx.cache = + cifsi->netfs.cache = fscache_acquire_cookie(tcon->fscache, 0, &cifsi->uniqueid, sizeof(cifsi->uniqueid), &cd, sizeof(cd), - i_size_read(&cifsi->vfs_inode)); + i_size_read(&cifsi->netfs.inode)); } void cifs_fscache_unuse_inode_cookie(struct inode *inode, bool update) @@ -131,7 +131,7 @@ void cifs_fscache_release_inode_cookie(struct inode *inode) if (cookie) { cifs_dbg(FYI, "%s: (0x%p)\n", __func__, cookie); fscache_relinquish_cookie(cookie, false); - cifsi->netfs_ctx.cache = NULL; + cifsi->netfs.cache = NULL; } } diff --git a/fs/cifs/fscache.h b/fs/cifs/fscache.h index 52355c0912ae..ab9a51d0125c 100644 --- a/fs/cifs/fscache.h +++ b/fs/cifs/fscache.h @@ -52,10 +52,10 @@ void cifs_fscache_fill_coherency(struct inode *inode, struct cifsInodeInfo *cifsi = CIFS_I(inode); memset(cd, 0, sizeof(*cd)); - cd->last_write_time_sec = cpu_to_le64(cifsi->vfs_inode.i_mtime.tv_sec); - cd->last_write_time_nsec = cpu_to_le32(cifsi->vfs_inode.i_mtime.tv_nsec); - cd->last_change_time_sec = cpu_to_le64(cifsi->vfs_inode.i_ctime.tv_sec); - cd->last_change_time_nsec = cpu_to_le32(cifsi->vfs_inode.i_ctime.tv_nsec); + cd->last_write_time_sec = cpu_to_le64(cifsi->netfs.inode.i_mtime.tv_sec); + cd->last_write_time_nsec = cpu_to_le32(cifsi->netfs.inode.i_mtime.tv_nsec); + cd->last_change_time_sec = cpu_to_le64(cifsi->netfs.inode.i_ctime.tv_sec); + cd->last_change_time_nsec = cpu_to_le32(cifsi->netfs.inode.i_ctime.tv_nsec); } diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index 2f9e7d2f81b6..81da81e18553 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -115,7 +115,7 @@ cifs_revalidate_cache(struct inode *inode, struct cifs_fattr *fattr) __func__, cifs_i->uniqueid); set_bit(CIFS_INO_INVALID_MAPPING, &cifs_i->flags); /* Invalidate fscache cookie */ - cifs_fscache_fill_coherency(&cifs_i->vfs_inode, &cd); + cifs_fscache_fill_coherency(&cifs_i->netfs.inode, &cd); fscache_invalidate(cifs_inode_cookie(inode), &cd, i_size_read(inode), 0); } @@ -2499,7 +2499,7 @@ int cifs_fiemap(struct inode *inode, struct fiemap_extent_info *fei, u64 start, u64 len) { struct cifsInodeInfo *cifs_i = CIFS_I(inode); - struct cifs_sb_info *cifs_sb = CIFS_SB(cifs_i->vfs_inode.i_sb); + struct cifs_sb_info *cifs_sb = CIFS_SB(cifs_i->netfs.inode.i_sb); struct cifs_tcon *tcon = cifs_sb_master_tcon(cifs_sb); struct TCP_Server_Info *server = tcon->ses->server; struct cifsFileInfo *cfile; diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c index 35962a1a23b9..cbc3b433f502 100644 --- a/fs/cifs/misc.c +++ b/fs/cifs/misc.c @@ -537,11 +537,11 @@ void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock) if (oplock == OPLOCK_EXCLUSIVE) { cinode->oplock = CIFS_CACHE_WRITE_FLG | CIFS_CACHE_READ_FLG; cifs_dbg(FYI, "Exclusive Oplock granted on inode %p\n", - &cinode->vfs_inode); + &cinode->netfs.inode); } else if (oplock == OPLOCK_READ) { cinode->oplock = CIFS_CACHE_READ_FLG; cifs_dbg(FYI, "Level II Oplock granted on inode %p\n", - &cinode->vfs_inode); + &cinode->netfs.inode); } else cinode->oplock = 0; } diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index 98a76fa791c0..8543cafdfd34 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -4260,15 +4260,15 @@ smb2_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock, if (oplock == SMB2_OPLOCK_LEVEL_BATCH) { cinode->oplock = CIFS_CACHE_RHW_FLG; cifs_dbg(FYI, "Batch Oplock granted on inode %p\n", - &cinode->vfs_inode); + &cinode->netfs.inode); } else if (oplock == SMB2_OPLOCK_LEVEL_EXCLUSIVE) { cinode->oplock = CIFS_CACHE_RW_FLG; cifs_dbg(FYI, "Exclusive Oplock granted on inode %p\n", - &cinode->vfs_inode); + &cinode->netfs.inode); } else if (oplock == SMB2_OPLOCK_LEVEL_II) { cinode->oplock = CIFS_CACHE_READ_FLG; cifs_dbg(FYI, "Level II Oplock granted on inode %p\n", - &cinode->vfs_inode); + &cinode->netfs.inode); } else cinode->oplock = 0; } @@ -4307,7 +4307,7 @@ smb21_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock, cinode->oplock = new_oplock; cifs_dbg(FYI, "%s Lease granted on inode %p\n", message, - &cinode->vfs_inode); + &cinode->netfs.inode); } static void diff --git a/fs/netfs/buffered_read.c b/fs/netfs/buffered_read.c index 8742d22dfd2b..d37e012386f3 100644 --- a/fs/netfs/buffered_read.c +++ b/fs/netfs/buffered_read.c @@ -155,7 +155,7 @@ static void netfs_rreq_expand(struct netfs_io_request *rreq, void netfs_readahead(struct readahead_control *ractl) { struct netfs_io_request *rreq; - struct netfs_i_context *ctx = netfs_i_context(ractl->mapping->host); + struct netfs_inode *ctx = netfs_inode(ractl->mapping->host); int ret; _enter("%lx,%x", readahead_index(ractl), readahead_count(ractl)); @@ -215,7 +215,7 @@ int netfs_read_folio(struct file *file, struct folio *folio) { struct address_space *mapping = folio_file_mapping(folio); struct netfs_io_request *rreq; - struct netfs_i_context *ctx = netfs_i_context(mapping->host); + struct netfs_inode *ctx = netfs_inode(mapping->host); int ret; _enter("%lx", folio_index(folio)); @@ -331,7 +331,7 @@ int netfs_write_begin(struct file *file, struct address_space *mapping, void **_fsdata) { struct netfs_io_request *rreq; - struct netfs_i_context *ctx = netfs_i_context(file_inode(file )); + struct netfs_inode *ctx = netfs_inode(file_inode(file )); struct folio *folio; unsigned int fgp_flags = FGP_LOCK | FGP_WRITE | FGP_CREAT | FGP_STABLE; pgoff_t index = pos >> PAGE_SHIFT; diff --git a/fs/netfs/internal.h b/fs/netfs/internal.h index b7b0e3d18d9e..43fac1b14e40 100644 --- a/fs/netfs/internal.h +++ b/fs/netfs/internal.h @@ -91,7 +91,7 @@ static inline void netfs_stat_d(atomic_t *stat) /* * Miscellaneous functions. */ -static inline bool netfs_is_cache_enabled(struct netfs_i_context *ctx) +static inline bool netfs_is_cache_enabled(struct netfs_inode *ctx) { #if IS_ENABLED(CONFIG_FSCACHE) struct fscache_cookie *cookie = ctx->cache; diff --git a/fs/netfs/objects.c b/fs/netfs/objects.c index e86107b30ba4..c6afa605b63b 100644 --- a/fs/netfs/objects.c +++ b/fs/netfs/objects.c @@ -18,7 +18,7 @@ struct netfs_io_request *netfs_alloc_request(struct address_space *mapping, { static atomic_t debug_ids; struct inode *inode = file ? file_inode(file) : mapping->host; - struct netfs_i_context *ctx = netfs_i_context(inode); + struct netfs_inode *ctx = netfs_inode(inode); struct netfs_io_request *rreq; int ret; diff --git a/include/linux/netfs.h b/include/linux/netfs.h index 77fa6a61706a..6dbb4c9ce50d 100644 --- a/include/linux/netfs.h +++ b/include/linux/netfs.h @@ -119,9 +119,10 @@ typedef void (*netfs_io_terminated_t)(void *priv, ssize_t transferred_or_error, bool was_async); /* - * Per-inode description. This must be directly after the inode struct. + * Per-inode context. This wraps the VFS inode. */ -struct netfs_i_context { +struct netfs_inode { + struct inode inode; /* The VFS inode */ const struct netfs_request_ops *ops; #if IS_ENABLED(CONFIG_FSCACHE) struct fscache_cookie *cache; @@ -256,7 +257,7 @@ struct netfs_cache_ops { * boundary as appropriate. */ enum netfs_io_source (*prepare_read)(struct netfs_io_subrequest *subreq, - loff_t i_size); + loff_t i_size); /* Prepare a write operation, working out what part of the write we can * actually do. @@ -288,45 +289,35 @@ extern void netfs_put_subrequest(struct netfs_io_subrequest *subreq, extern void netfs_stats_show(struct seq_file *); /** - * netfs_i_context - Get the netfs inode context from the inode + * netfs_inode - Get the netfs inode context from the inode * @inode: The inode to query * * Get the netfs lib inode context from the network filesystem's inode. The * context struct is expected to directly follow on from the VFS inode struct. */ -static inline struct netfs_i_context *netfs_i_context(struct inode *inode) +static inline struct netfs_inode *netfs_inode(struct inode *inode) { - return (void *)inode + sizeof(*inode); + return container_of(inode, struct netfs_inode, inode); } /** - * netfs_inode - Get the netfs inode from the inode context - * @ctx: The context to query - * - * Get the netfs inode from the netfs library's inode context. The VFS inode - * is expected to directly precede the context struct. - */ -static inline struct inode *netfs_inode(struct netfs_i_context *ctx) -{ - return (void *)ctx - sizeof(struct inode); -} - -/** - * netfs_i_context_init - Initialise a netfs lib context + * netfs_inode_init - Initialise a netfslib inode context * @inode: The inode with which the context is associated * @ops: The netfs's operations list * * Initialise the netfs library context struct. This is expected to follow on * directly from the VFS inode struct. */ -static inline void netfs_i_context_init(struct inode *inode, - const struct netfs_request_ops *ops) +static inline void netfs_inode_init(struct inode *inode, + const struct netfs_request_ops *ops) { - struct netfs_i_context *ctx = netfs_i_context(inode); + struct netfs_inode *ctx = netfs_inode(inode); - memset(ctx, 0, sizeof(*ctx)); ctx->ops = ops; ctx->remote_i_size = i_size_read(inode); +#if IS_ENABLED(CONFIG_FSCACHE) + ctx->cache = NULL; +#endif } /** @@ -338,7 +329,7 @@ static inline void netfs_i_context_init(struct inode *inode, */ static inline void netfs_resize_file(struct inode *inode, loff_t new_i_size) { - struct netfs_i_context *ctx = netfs_i_context(inode); + struct netfs_inode *ctx = netfs_inode(inode); ctx->remote_i_size = new_i_size; } @@ -352,7 +343,7 @@ static inline void netfs_resize_file(struct inode *inode, loff_t new_i_size) static inline struct fscache_cookie *netfs_i_cookie(struct inode *inode) { #if IS_ENABLED(CONFIG_FSCACHE) - struct netfs_i_context *ctx = netfs_i_context(inode); + struct netfs_inode *ctx = netfs_inode(inode); return ctx->cache; #else return NULL;