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| author | Christoph Hellwig <hch@lst.de> | 2015-01-14 10:42:34 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2015-01-20 14:03:01 -0700 |
| commit | 495a276e1ca96af622edb67ad0f85431935b20d2 (patch) | |
| tree | 6ff49a955028c9b1f61c722cbbc38976448d8056 /fs/fs-writeback.c | |
| parent | 564f00f6c03a9339c259eb71a5b3aa8ef7ff1c2e (diff) | |
| download | op-kernel-dev-495a276e1ca96af622edb67ad0f85431935b20d2.zip op-kernel-dev-495a276e1ca96af622edb67ad0f85431935b20d2.tar.gz | |
block_dev: get bdev inode bdi directly from the block device
Directly grab the backing_dev_info from the request_queue instead of
detouring through the address_space.
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/fs-writeback.c')
| -rw-r--r-- | fs/fs-writeback.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index 2d609a5..e8116a4 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -69,10 +69,10 @@ EXPORT_SYMBOL(writeback_in_progress); static inline struct backing_dev_info *inode_to_bdi(struct inode *inode) { struct super_block *sb = inode->i_sb; - +#ifdef CONFIG_BLOCK if (sb_is_blkdev_sb(sb)) - return inode->i_mapping->backing_dev_info; - + return blk_get_backing_dev_info(I_BDEV(inode)); +#endif return sb->s_bdi; } |
