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authorRaghavendra G <raghavendra@gluster.com>2013-06-20 14:04:10 +0530
committerAnand Avati <avati@redhat.com>2013-07-10 19:44:25 -0700
commit02c0b6f0fcd6e9c678b170a8150d2b79942724ef (patch)
tree4ca2903e62db3f15aa36df55c229b77c464385b2 /xlators/performance/io-cache/src
parent72aef87eeddc59428af67f2e6a666839b0ddd09c (diff)
performance/io-cache: check for non-null gfid before calling inode_path
A new non-linked inode is added to lru list. Hence it might be possible that gfid might be NULL when inode_dump is called. To pass asserts in inode_path, we've to check for non-null gfid before invoking that procedure. Signed-off-by: Raghavendra G <raghavendra@gluster.com> Change-Id: Iff14efc6d6e2faa33b9f7a81e0a66f6a947b77ed BUG: 976189 Reviewed-on: http://review.gluster.org/5241 Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com> Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
Diffstat (limited to 'xlators/performance/io-cache/src')
-rw-r--r--xlators/performance/io-cache/src/io-cache.c23
1 files changed, 13 insertions, 10 deletions
diff --git a/xlators/performance/io-cache/src/io-cache.c b/xlators/performance/io-cache/src/io-cache.c
index d0667e46944..f56a574564a 100644
--- a/xlators/performance/io-cache/src/io-cache.c
+++ b/xlators/performance/io-cache/src/io-cache.c
@@ -1912,11 +1912,11 @@ int
ioc_inode_dump (xlator_t *this, inode_t *inode)
{
- char *path = NULL;
+ char *path = NULL;
int ret = -1;
char key_prefix[GF_DUMP_MAX_BUF_LEN] = {0, };
uint64_t tmp_ioc_inode = 0;
- ioc_inode_t *ioc_inode = NULL;
+ ioc_inode_t *ioc_inode = NULL;
gf_boolean_t section_added = _gf_false;
char uuid_str[64] = {0,};
@@ -1930,9 +1930,6 @@ ioc_inode_dump (xlator_t *this, inode_t *inode)
if (ioc_inode == NULL)
goto out;
- gf_proc_dump_add_section (key_prefix);
- section_added = _gf_true;
-
/* Similar to ioc_page_dump function its better to use
* pthread_mutex_trylock and not to use gf_log in statedump
* to avoid deadlocks.
@@ -1940,24 +1937,30 @@ ioc_inode_dump (xlator_t *this, inode_t *inode)
ret = pthread_mutex_trylock (&ioc_inode->inode_lock);
if (ret)
goto out;
- else
+
{
- gf_proc_dump_write ("inode.weight", "%d", ioc_inode->weight);
+ if (uuid_is_null (ioc_inode->inode->gfid))
+ goto unlock;
+
+ gf_proc_dump_add_section (key_prefix);
+ section_added = _gf_true;
- //inode_path takes blocking lock on the itable.
__inode_path (ioc_inode->inode, NULL, &path);
+ gf_proc_dump_write ("inode.weight", "%d", ioc_inode->weight);
+
if (path) {
gf_proc_dump_write ("path", "%s", path);
GF_FREE (path);
}
+
gf_proc_dump_write ("uuid", "%s", uuid_utoa_r
(ioc_inode->inode->gfid, uuid_str));
__ioc_cache_dump (ioc_inode, key_prefix);
__ioc_inode_waitq_dump (ioc_inode, key_prefix);
-
- pthread_mutex_unlock (&ioc_inode->inode_lock);
}
+unlock:
+ pthread_mutex_unlock (&ioc_inode->inode_lock);
out:
if (ret && ioc_inode) {