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authorIlya Dryomov <idryomov@gmail.com>2015-11-21 00:18:43 +0300
committerJens Axboe <axboe@fb.com>2016-01-13 20:24:27 +0300
commited8a9d2c816e0b0a2c5a605505e0f09ae9010dd6 (patch)
treedb36fbeeb9480457e126a1e29e26acaf4011f8f4 /fs/block_dev.c
parente36f6204288088fda50d1c84830340ccb70f85ff (diff)
downloadlinux-ed8a9d2c816e0b0a2c5a605505e0f09ae9010dd6.tar.xz
block: use bd{grab,put}() instead of open-coding
- bd_acquire() and bd_forget() open-code bdgrab() and bdput() - raw driver uses igrab() but never checks its return value and always holds another ref from bind_set() while calling it, so it's equivalent to bdgrab() Signed-off-by: Ilya Dryomov <idryomov@gmail.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'fs/block_dev.c')
-rw-r--r--fs/block_dev.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c
index aa1a45985889..8b02c90ced87 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -696,7 +696,7 @@ static struct block_device *bd_acquire(struct inode *inode)
spin_lock(&bdev_lock);
bdev = inode->i_bdev;
if (bdev) {
- ihold(bdev->bd_inode);
+ bdgrab(bdev);
spin_unlock(&bdev_lock);
return bdev;
}
@@ -712,7 +712,7 @@ static struct block_device *bd_acquire(struct inode *inode)
* So, we can access it via ->i_mapping always
* without igrab().
*/
- ihold(bdev->bd_inode);
+ bdgrab(bdev);
inode->i_bdev = bdev;
inode->i_mapping = bdev->bd_inode->i_mapping;
list_add(&inode->i_devices, &bdev->bd_inodes);
@@ -735,7 +735,7 @@ void bd_forget(struct inode *inode)
spin_unlock(&bdev_lock);
if (bdev)
- iput(bdev->bd_inode);
+ bdput(bdev);
}
/**