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authorToshi Kani <toshi.kani@hpe.com>2018-09-15 21:23:41 -0400
committerTheodore Ts'o <tytso@mit.edu>2018-09-15 21:23:41 -0400
commit94dbb63117e82253c9592816aa4465f0a9c94850 (patch)
treed618498415f594ec264454f09ae0a387f90aac55 /fs/ext4
parentfe18d649891d813964d3aaeebad873f281627fbc (diff)
downloadlinux-94dbb63117e82253c9592816aa4465f0a9c94850.tar.gz
ext4, dax: add ext4_bmap to ext4_dax_aops
Ext4 mount path calls .bmap to the journal inode. This currently
works for the DAX mount case because ext4_iget() always set
'ext4_da_aops' to any regular files.

In preparation to fix ext4_iget() to set 'ext4_dax_aops' for ext4
DAX files, add ext4_bmap() to 'ext4_dax_aops', since bmap works for
DAX inodes.

Fixes: 5f0663bb4a64 ("ext4, dax: introduce ext4_dax_aops")
Signed-off-by: Toshi Kani <toshi.kani@hpe.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Suggested-by: Jan Kara <jack@suse.cz>
Cc: stable@vger.kernel.org
Diffstat (limited to 'fs/ext4')
-rw-r--r--fs/ext4/inode.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 723058bfe43b..5be07f64ae0a 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -3951,6 +3951,7 @@ static const struct address_space_operations ext4_dax_aops = {
 	.writepages		= ext4_dax_writepages,
 	.direct_IO		= noop_direct_IO,
 	.set_page_dirty		= noop_set_page_dirty,
+	.bmap			= ext4_bmap,
 	.invalidatepage		= noop_invalidatepage,
 };