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btrfs: remove always true condition in btrfs_start_delalloc_roots

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Following the rework in e076ab2a2c ("btrfs: shrink delalloc pages
instead of full inodes") the nr variable is no longer passed by
reference to start_delalloc_inodes hence it cannot change. Additionally
we are always guaranteed for it to be positive number hence it's
redundant to have it as a condition in the loop. Simply remove that
usage.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
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 2021-01-11 12:58:12 +02:00 committed by David Sterba
parent 9db4dc241e
commit d7830b7155
1 changed files with 1 additions and 1 deletions
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2
fs/btrfs/inode.c
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@ -9510,7 +9510,7 @@ int btrfs_start_delalloc_roots(struct btrfs_fs_info *fs_info, long nr,
mutex_lock(&fs_info->delalloc_root_mutex); mutex_lock(&fs_info->delalloc_root_mutex);
spin_lock(&fs_info->delalloc_root_lock); spin_lock(&fs_info->delalloc_root_lock);
list_splice_init(&fs_info->delalloc_roots, &splice); list_splice_init(&fs_info->delalloc_roots, &splice);
while (!list_empty(&splice) && nr) { while (!list_empty(&splice)) {
/* /*
* Reset nr_to_write here so we know that we're doing a full * Reset nr_to_write here so we know that we're doing a full
* flush. * flush.