diff options
| author | Raghavendra G <raghavendra@gluster.com> | 2012-04-08 11:40:48 +0530 |
|---|---|---|
| committer | Vijay Bellur <vijay@gluster.com> | 2012-04-12 22:18:57 -0700 |
| commit | e46a57fda716c00b7c490be74485863c80d6f7b4 (patch) | |
| tree | 961e9a30282f40db469d481b4b036912ab4de512 /xlators/features/quota/src/quota.c | |
| parent | ea8378299e4d9ae5a8d296feb1d16950d07173de (diff) | |
features/quota: don't adjust statfs buffer if size used is already
greater than available limit.
members f_bfree and f_bavail of struct statfs are unsigned types.
A negative value assigned to them is interpreted as some positive
number and resulting in incorrect output of df output.
Signed-off-by: Raghavendra G <raghavendra@gluster.com>
Change-Id: I4d3d38b9bb6f675958ee38ad4d6c71ebcf4bb9a1
BUG: 773530
Reviewed-on: http://review.gluster.com/3102
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Amar Tumballi <amarts@redhat.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>
Diffstat (limited to 'xlators/features/quota/src/quota.c')
| -rw-r--r-- | xlators/features/quota/src/quota.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/xlators/features/quota/src/quota.c b/xlators/features/quota/src/quota.c index 77218bc4eb4..f6c4e0099b9 100644 --- a/xlators/features/quota/src/quota.c +++ b/xlators/features/quota/src/quota.c @@ -2805,18 +2805,20 @@ quota_fremovexattr (call_frame_t *frame, xlator_t *this, return 0; } + int32_t quota_statfs_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct statvfs *buf, dict_t *xdata) { - inode_t *root_inode = NULL; - quota_priv_t *priv = NULL; - uint64_t value = 0; - quota_inode_ctx_t *ctx = NULL; - limits_t *limit_node = NULL; - int64_t usage = -1; - int64_t avail = -1; + inode_t *root_inode = NULL; + quota_priv_t *priv = NULL; + uint64_t value = 0; + quota_inode_ctx_t *ctx = NULL; + limits_t *limit_node = NULL; + int64_t usage = -1; + int64_t avail = -1; + int64_t blocks = 0; root_inode = cookie; @@ -2851,7 +2853,12 @@ quota_statfs_cbk (call_frame_t *frame, void *cookie, xlator_t *this, list_for_each_entry (limit_node, &priv->limit_head, limit_list) { /* Notice that this only works for volume-level quota. */ if (strcmp (limit_node->path, "/") == 0) { - buf->f_blocks = limit_node->value / buf->f_bsize; + blocks = limit_node->value / buf->f_bsize; + if (usage > blocks) { + break; + } + + buf->f_blocks = blocks; avail = buf->f_blocks - usage; if (buf->f_bfree > avail) { buf->f_bfree = avail; |