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authorDarrick J. Wong <darrick.wong@oracle.com>2016-11-22 13:40:27 -0800
committerDarrick J. Wong <darrick.wong@oracle.com>2016-12-10 12:39:45 -0800
commit86e59436d406d833a5da4a94aefb3c3be6b26053 (patch)
treeddf46c1ea7d89ea12b6828d1fead5b8bb5576d64 /fs/ocfs2
parentaef73a61c01a4dca3f26c22df05039f78fe9d468 (diff)
downloadlinux-86e59436d406d833a5da4a94aefb3c3be6b26053.tar.bz2
ocfs2: charge quota for reflinked blocks
When ocfs2 shares blocks from one file to another, it's necessary to charge that many blocks to the quota because ocfs2 tallies block charges according to the number of blocks mapped, not the number of physical blocks used. Without this patch, reflinking X blocks and then CoWing all of them causes quota usage to *decrease* by X as seen in generic/305. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs/ocfs2')
-rw-r--r--fs/ocfs2/refcounttree.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index 6c98d567ba01..dc8089af9ddf 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -3933,6 +3933,13 @@ static int ocfs2_add_refcounted_extent(struct inode *inode,
ret = ocfs2_increase_refcount(handle, ref_ci, ref_root_bh,
p_cluster, num_clusters,
meta_ac, dealloc);
+ if (ret) {
+ mlog_errno(ret);
+ goto out_commit;
+ }
+
+ ret = dquot_alloc_space_nodirty(inode,
+ ocfs2_clusters_to_bytes(osb->sb, num_clusters));
if (ret)
mlog_errno(ret);