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btrfs: move QUOTA_ENABLED check to rescan_should_stop from btrfs_qgroup_rescan_worker

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Instead of having 2 places that short circuit the qgroup leaf scan have
everything in the qgroup_rescan_leaf function. In addition to that, also
ensure that the inconsistent qgroup flag is set when rescan_should_stop
returns true. This both retains the old behavior when -EINTR was set in
the body of the loop and at the same time also extends this behavior
when scanning is interrupted due to remount or unmount operations.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov 2022-01-13 17:16:18 +02:00 committed by David Sterba
parent 5c07c53f2d
commit db5df25412
1 changed files with 6 additions and 7 deletions
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13
fs/btrfs/qgroup.c
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@ -3268,7 +3268,8 @@ out:
static bool rescan_should_stop(struct btrfs_fs_info *fs_info)
{
return btrfs_fs_closing(fs_info) ||
test_bit(BTRFS_FS_STATE_REMOUNTING, &fs_info->fs_state);
test_bit(BTRFS_FS_STATE_REMOUNTING, &fs_info->fs_state) ||
!test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags);
}
static void btrfs_qgroup_rescan_worker(struct btrfs_work *work)
@ -3298,11 +3299,9 @@ static void btrfs_qgroup_rescan_worker(struct btrfs_work *work)
err = PTR_ERR(trans);
break;
}
if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags)) {
err = -EINTR;
} else {
err = qgroup_rescan_leaf(trans, path);
}
err = qgroup_rescan_leaf(trans, path);
if (err > 0)
btrfs_commit_transaction(trans);
else
@ -3316,7 +3315,7 @@ out:
if (err > 0 &&
fs_info->qgroup_flags & BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT) {
fs_info->qgroup_flags &= ~BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT;
} else if (err < 0) {
} else if (err < 0 || stopped) {
fs_info->qgroup_flags |= BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT;
}
mutex_unlock(&fs_info->qgroup_rescan_lock);