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| author | Dongsheng Yang <yangds.fnst@cn.fujitsu.com> | 2014-12-12 16:44:34 +0800 |
|---|---|---|
| committer | Chris Mason <clm@fb.com> | 2015-04-13 07:52:46 -0700 |
| commit | 804ca127fb93988c6a9d5f2bf4a8f1a780c9a2d0 (patch) | |
| tree | ef99ed7680b2e4c47e4ae0687cc4fc6779e9c105 /fs | |
| parent | 4087cf24ae2af17f7dd9fd34e22fde816952d421 (diff) | |
| download | linux-804ca127fb93988c6a9d5f2bf4a8f1a780c9a2d0.tar.gz | |
Btrfs: qgroup: free reserved in exceeding quota.
When we exceed quota limit in writing, we will free some reserved extent when we need to drop but not free account in qgroup. It means, each time we exceed quota in writing, there will be some remain space in qg->reserved we can not use any more. If things go on like this, the all space will be ate up. Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com> Reviewed-by: Josef Bacik <jbacik@fb.com> Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/extent-tree.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 2713dcbc70f7..695d5110e020 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -5475,8 +5475,11 @@ out_fail: to_free = 0; } spin_unlock(&BTRFS_I(inode)->lock); - if (dropped) + if (dropped) { + if (root->fs_info->quota_enabled) + btrfs_qgroup_free(root, dropped * root->nodesize); to_free += btrfs_calc_trans_metadata_size(root, dropped); + } if (to_free) { btrfs_block_rsv_release(root, block_rsv, to_free); |