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btrfs: Use locked_end rather than open coding it 

Right before we go into this loop locked_end is set to alloc_end - 1 and
is being used in nearby functions, no need to have exceptions. This just
makes the code consistent, no functional changes.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov 2017-11-01 11:36:05 +02:00 committed by David Sterba
parent 6b7d6e9334
commit 96b09dde92
1 changed files with 2 additions and 2 deletions
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4
fs/btrfs/file.c
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@ -2896,8 +2896,8 @@ static long btrfs_fallocate(struct file *file, int mode,
*/
lock_extent_bits(&BTRFS_I(inode)->io_tree, alloc_start,
locked_end, &cached_state);
ordered = btrfs_lookup_first_ordered_extent(inode,
alloc_end - 1);
ordered = btrfs_lookup_first_ordered_extent(inode, locked_end);
if (ordered &&
ordered->file_offset + ordered->len > alloc_start &&
ordered->file_offset < alloc_end) {