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authorChristoph Hellwig <hch@lst.de>2015-01-14 10:42:36 +0100
committerJens Axboe <axboe@fb.com>2015-01-20 14:03:04 -0700
commitde1414a654e66b81b5348dbc5259ecf2fb61655e (patch)
tree2b3d60d6c0dc87ba33caff3e326d5648831d6176 /fs/ext2
parent26ff13047e3dc6c0230a629867e8dbd4a15a7626 (diff)
downloadlinux-de1414a654e66b81b5348dbc5259ecf2fb61655e.tar.gz
fs: export inode_to_bdi and use it in favor of mapping->backing_dev_info
Now that we got rid of the bdi abuse on character devices we can always use
sb->s_bdi to get at the backing_dev_info for a file, except for the block
device special case.  Export inode_to_bdi and replace uses of
mapping->backing_dev_info with it to prepare for the removal of
mapping->backing_dev_info.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'fs/ext2')
-rw-r--r--fs/ext2/ialloc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ext2/ialloc.c b/fs/ext2/ialloc.c
index 7d66fb0e4cca..6c14bb8322fa 100644
--- a/fs/ext2/ialloc.c
+++ b/fs/ext2/ialloc.c
@@ -170,7 +170,7 @@ static void ext2_preread_inode(struct inode *inode)
 	struct ext2_group_desc * gdp;
 	struct backing_dev_info *bdi;
 
-	bdi = inode->i_mapping->backing_dev_info;
+	bdi = inode_to_bdi(inode);
 	if (bdi_read_congested(bdi))
 		return;
 	if (bdi_write_congested(bdi))