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Diffstat (limited to 'fs/btrfs/ioctl.c')
-rw-r--r--fs/btrfs/ioctl.c21
1 files changed, 3 insertions, 18 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 494f0f10d70e..ec2d8919e7fb 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -3207,21 +3207,6 @@ out:
return ret;
}
-static void btrfs_double_inode_unlock(struct inode *inode1, struct inode *inode2)
-{
- inode_unlock(inode1);
- inode_unlock(inode2);
-}
-
-static void btrfs_double_inode_lock(struct inode *inode1, struct inode *inode2)
-{
- if (inode1 < inode2)
- swap(inode1, inode2);
-
- inode_lock_nested(inode1, I_MUTEX_PARENT);
- inode_lock_nested(inode2, I_MUTEX_CHILD);
-}
-
static void btrfs_double_extent_unlock(struct inode *inode1, u64 loff1,
struct inode *inode2, u64 loff2, u64 len)
{
@@ -3956,7 +3941,7 @@ static int btrfs_remap_file_range_prep(struct file *file_in, loff_t pos_in,
if (same_inode)
inode_lock(inode_in);
else
- btrfs_double_inode_lock(inode_in, inode_out);
+ lock_two_nondirectories(inode_in, inode_out);
/* don't make the dst file partly checksummed */
if ((BTRFS_I(inode_in)->flags & BTRFS_INODE_NODATASUM) !=
@@ -4013,7 +3998,7 @@ static int btrfs_remap_file_range_prep(struct file *file_in, loff_t pos_in,
if (same_inode)
inode_unlock(inode_in);
else
- btrfs_double_inode_unlock(inode_in, inode_out);
+ unlock_two_nondirectories(inode_in, inode_out);
return ret;
}
@@ -4043,7 +4028,7 @@ loff_t btrfs_remap_file_range(struct file *src_file, loff_t off,
if (same_inode)
inode_unlock(src_inode);
else
- btrfs_double_inode_unlock(src_inode, dst_inode);
+ unlock_two_nondirectories(src_inode, dst_inode);
return ret < 0 ? ret : len;
}