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Thu, 20 Jun 2024 17:31:59 +0000 (UTC) From: David Howells To: Christian Brauner , Steve French , Matthew Wilcox Cc: David Howells , Jeff Layton , Gao Xiang , Dominique Martinet , Marc Dionne , Paulo Alcantara , Shyam Prasad N , Tom Talpey , Eric Van Hensbergen , Ilya Dryomov , netfs@lists.linux.dev, linux-afs@lists.infradead.org, linux-cifs@vger.kernel.org, linux-nfs@vger.kernel.org, ceph-devel@vger.kernel.org, v9fs@lists.linux.dev, linux-erofs@lists.ozlabs.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Steve French Subject: [PATCH 02/17] netfs, cifs: Move CIFS_INO_MODIFIED_ATTR to netfs_inode Date: Thu, 20 Jun 2024 18:31:20 +0100 Message-ID: <20240620173137.610345-3-dhowells@redhat.com> In-Reply-To: <20240620173137.610345-1-dhowells@redhat.com> References: <20240620173137.610345-1-dhowells@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 X-Stat-Signature: 9jc9q6h5xu6b8s7wk5szk1y3iyg3bqyo X-Rspamd-Queue-Id: 49E5EA0006 X-Rspam-User: X-Rspamd-Server: rspam10 X-HE-Tag: 1718904737-554307 X-HE-Meta: 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 X1r00gcP 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Move CIFS_INO_MODIFIED_ATTR to netfs_inode as NETFS_ICTX_MODIFIED_ATTR and then make netfs_perform_write() set it. This means that cifs doesn't need to implement the ->post_modify() hook. Signed-off-by: David Howells cc: Jeff Layton cc: Steve French cc: Paulo Alcantara cc: linux-cifs@vger.kernel.org cc: netfs@lists.linux.dev cc: linux-fsdevel@vger.kernel.org --- fs/netfs/buffered_write.c | 10 ++++++++-- fs/smb/client/cifsglob.h | 1 - fs/smb/client/file.c | 9 +-------- include/linux/netfs.h | 1 + 4 files changed, 10 insertions(+), 11 deletions(-) diff --git a/fs/netfs/buffered_write.c b/fs/netfs/buffered_write.c index 07bc1fd43530..41d556fe382a 100644 --- a/fs/netfs/buffered_write.c +++ b/fs/netfs/buffered_write.c @@ -405,8 +405,14 @@ ssize_t netfs_perform_write(struct kiocb *iocb, struct iov_iter *iter, } while (iov_iter_count(iter)); out: - if (likely(written) && ctx->ops->post_modify) - ctx->ops->post_modify(inode); + if (likely(written)) { + /* Set indication that ctime and mtime got updated in case + * close is deferred. + */ + set_bit(NETFS_ICTX_MODIFIED_ATTR, &ctx->flags); + if (unlikely(ctx->ops->post_modify)) + ctx->ops->post_modify(inode); + } if (unlikely(wreq)) { ret2 = netfs_end_writethrough(wreq, &wbc, writethrough); diff --git a/fs/smb/client/cifsglob.h b/fs/smb/client/cifsglob.h index 73482734a8d8..4b00512fb9f9 100644 --- a/fs/smb/client/cifsglob.h +++ b/fs/smb/client/cifsglob.h @@ -1569,7 +1569,6 @@ struct cifsInodeInfo { #define CIFS_INO_DELETE_PENDING (3) /* delete pending on server */ #define CIFS_INO_INVALID_MAPPING (4) /* pagecache is invalid */ #define CIFS_INO_LOCK (5) /* lock bit for synchronization */ -#define CIFS_INO_MODIFIED_ATTR (6) /* Indicate change in mtime/ctime */ #define CIFS_INO_CLOSE_ON_LOCK (7) /* Not to defer the close when lock is set */ unsigned long flags; spinlock_t writers_lock; diff --git a/fs/smb/client/file.c b/fs/smb/client/file.c index 9d5c2440abfc..67dd8fcd0e6d 100644 --- a/fs/smb/client/file.c +++ b/fs/smb/client/file.c @@ -302,12 +302,6 @@ static void cifs_rreq_done(struct netfs_io_request *rreq) inode_set_atime_to_ts(inode, inode_get_mtime(inode)); } -static void cifs_post_modify(struct inode *inode) -{ - /* Indication to update ctime and mtime as close is deferred */ - set_bit(CIFS_INO_MODIFIED_ATTR, &CIFS_I(inode)->flags); -} - static void cifs_free_request(struct netfs_io_request *rreq) { struct cifs_io_request *req = container_of(rreq, struct cifs_io_request, rreq); @@ -346,7 +340,6 @@ const struct netfs_request_ops cifs_req_ops = { .clamp_length = cifs_clamp_length, .issue_read = cifs_req_issue_read, .done = cifs_rreq_done, - .post_modify = cifs_post_modify, .begin_writeback = cifs_begin_writeback, .prepare_write = cifs_prepare_write, .issue_write = cifs_issue_write, @@ -1369,7 +1362,7 @@ int cifs_close(struct inode *inode, struct file *file) dclose = kmalloc(sizeof(struct cifs_deferred_close), GFP_KERNEL); if ((cfile->status_file_deleted == false) && (smb2_can_defer_close(inode, dclose))) { - if (test_and_clear_bit(CIFS_INO_MODIFIED_ATTR, &cinode->flags)) { + if (test_and_clear_bit(NETFS_ICTX_MODIFIED_ATTR, &cinode->netfs.flags)) { inode_set_mtime_to_ts(inode, inode_set_ctime_current(inode)); } diff --git a/include/linux/netfs.h b/include/linux/netfs.h index 5d0288938cc2..2d438aaae685 100644 --- a/include/linux/netfs.h +++ b/include/linux/netfs.h @@ -73,6 +73,7 @@ struct netfs_inode { #define NETFS_ICTX_ODIRECT 0 /* The file has DIO in progress */ #define NETFS_ICTX_UNBUFFERED 1 /* I/O should not use the pagecache */ #define NETFS_ICTX_WRITETHROUGH 2 /* Write-through caching */ +#define NETFS_ICTX_MODIFIED_ATTR 3 /* Indicate change in mtime/ctime */ #define NETFS_ICTX_USE_PGPRIV2 31 /* [DEPRECATED] Use PG_private_2 to mark * write to cache on read */ };