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authorQu Wenruo2015-09-08 17:25:56 +0800
committerChris Mason2015-10-21 18:41:07 -0700
commit94ed938aba557aa798acf496f09afb289b619fcd (patch)
tree967880fccfe272df0fb1a87fc0208d68714ba357 /fs/btrfs/extent-tree.c
parent7cf5b97650f2ecefbd5afa2d58b61b289b6e3750 (diff)
btrfs: qgroup: Add handler for NOCOW and inline
For NOCOW and inline case, there will be no delayed_ref created for them, so we should free their reserved data space at proper time(finish_ordered_io for NOCOW and cow_file_inline for inline). Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'fs/btrfs/extent-tree.c')
-rw-r--r--fs/btrfs/extent-tree.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 3a23225e83f4..aaaa7746685a 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -4052,7 +4052,12 @@ int btrfs_check_data_free_space(struct inode *inode, u64 start, u64 len)
if (ret < 0)
return ret;
- /* Use new btrfs_qgroup_reserve_data to reserve precious data space */
+ /*
+ * Use new btrfs_qgroup_reserve_data to reserve precious data space
+ *
+ * TODO: Find a good method to avoid reserve data space for NOCOW
+ * range, but don't impact performance on quota disable case.
+ */
ret = btrfs_qgroup_reserve_data(inode, start, len);
return ret;
}