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btrfs: remove global rsv stealing logic for orphan cleanup

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This is very old code before we were stealing from the global reserve
during evict.  We have proper ways to steal from the global reserve
while we're evicting, so rip out this code as it's no longer necessary.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Josef Bacik 2021-11-09 10:12:05 -05:00 committed by David Sterba
parent ee6adbfd6a
commit 6dbdd578cd
1 changed files with 0 additions and 7 deletions
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7
fs/btrfs/space-info.c
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@ -1606,16 +1606,9 @@ int btrfs_reserve_metadata_bytes(struct btrfs_root *root,
enum btrfs_reserve_flush_enum flush)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_block_rsv *global_rsv = &fs_info->global_block_rsv;
int ret;
ret = __reserve_bytes(fs_info, block_rsv->space_info, orig_bytes, flush);
if (ret == -ENOSPC &&
unlikely(root->orphan_cleanup_state == ORPHAN_CLEANUP_STARTED)) {
if (block_rsv != global_rsv &&
!btrfs_block_rsv_use_bytes(global_rsv, orig_bytes))
ret = 0;
}
if (ret == -ENOSPC) {
trace_btrfs_space_reservation(fs_info, "space_info:enospc",
block_rsv->space_info->flags,