[9/9] xfs: Get rid of ->bmap

Commit Message

Carlos Maiolino Aug. 8, 2019, 8:27 a.m. UTC

We don't need ->bmap anymore, only usage for it was FIBMAP, which is now
gone.

Signed-off-by: Carlos Maiolino <[e-mail]>
---

Changelog:

	V5:
		- Properly rebase against 5.3
		- iomap_{bmap(),bmap_actor()} are now used also by GFS2, so
		  don't remove them anymore
	V2:
		- Kill iomap_bmap() and iomap_bmap_actor()

 fs/xfs/xfs_aops.c  | 24 ------------------------
 fs/xfs/xfs_trace.h |  1 -
 2 files changed, 25 deletions(-)

Patch

diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index f16d5f196c6b..097cf52ad09e 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -1132,29 +1132,6 @@  xfs_vm_releasepage(
 	return iomap_releasepage(page, gfp_mask);
 }
 
-STATIC sector_t
-xfs_vm_bmap(
-	struct address_space	*mapping,
-	sector_t		block)
-{
-	struct xfs_inode	*ip = XFS_I(mapping->host);
-
-	trace_xfs_vm_bmap(ip);
-
-	/*
-	 * The swap code (ab-)uses ->bmap to get a block mapping and then
-	 * bypasses the file system for actual I/O.  We really can't allow
-	 * that on reflinks inodes, so we have to skip out here.  And yes,
-	 * 0 is the magic code for a bmap error.
-	 *
-	 * Since we don't pass back blockdev info, we can't return bmap
-	 * information for rt files either.
-	 */
-	if (xfs_is_cow_inode(ip) || XFS_IS_REALTIME_INODE(ip))
-		return 0;
-	return iomap_bmap(mapping, block, &xfs_iomap_ops);
-}
-
 STATIC int
 xfs_vm_readpage(
 	struct file		*unused,
@@ -1193,7 +1170,6 @@  const struct address_space_operations xfs_address_space_operations = {
 	.set_page_dirty		= iomap_set_page_dirty,
 	.releasepage		= xfs_vm_releasepage,
 	.invalidatepage		= xfs_vm_invalidatepage,
-	.bmap			= xfs_vm_bmap,
 	.direct_IO		= noop_direct_IO,
 	.migratepage		= iomap_migrate_page,
 	.is_partially_uptodate  = iomap_is_partially_uptodate,
diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h
index 8094b1920eef..fab17ea7d1eb 100644
--- a/fs/xfs/xfs_trace.h
+++ b/fs/xfs/xfs_trace.h
@@ -621,7 +621,6 @@  DEFINE_INODE_EVENT(xfs_readdir);
 #ifdef CONFIG_XFS_POSIX_ACL
 DEFINE_INODE_EVENT(xfs_get_acl);
 #endif
-DEFINE_INODE_EVENT(xfs_vm_bmap);
 DEFINE_INODE_EVENT(xfs_file_ioctl);
 DEFINE_INODE_EVENT(xfs_file_compat_ioctl);
 DEFINE_INODE_EVENT(xfs_ioctl_setattr);