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fs/block_dev.c: no need to check inode->i_bdev in bd_forget()

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Its only caller evict() has promised a non-NULL inode->i_bdev.

Signed-off-by: Yan Hong <clouds.yan@gmail.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Yan Hong 2013-04-30 15:26:47 -07:00 committed by Linus Torvalds
parent 04df32fa10
commit b4ea2eaa11
1 changed files with 3 additions and 5 deletions
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8
fs/block_dev.c
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@ -617,11 +617,9 @@ void bd_forget(struct inode *inode)
struct block_device *bdev = NULL; struct block_device *bdev = NULL;
spin_lock(&bdev_lock); spin_lock(&bdev_lock);
if (inode->i_bdev) { if (!sb_is_blkdev_sb(inode->i_sb))
if (!sb_is_blkdev_sb(inode->i_sb)) bdev = inode->i_bdev;
bdev = inode->i_bdev; __bd_forget(inode);
__bd_forget(inode);
}
spin_unlock(&bdev_lock); spin_unlock(&bdev_lock);
if (bdev) if (bdev)