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authorKrishnan Parthasarathi <kp@gluster.com>2012-03-07 00:19:29 +0530
committerVijay Bellur <vijay@gluster.com>2012-03-07 10:17:41 -0800
commit63281d7eeb5b8ac44e3630ccfbc61774eedf2ae2 (patch)
tree48d900da52bc01740b1be0c585de26eaf9b017d9 /xlators/protocol/client/src/client-helpers.c
parentac568d561ba15a148d8de6a3d4431714bce230f6 (diff)
protocol/client: Added lk_ctx info in fdctx dump
- Added a brief explanation as to why we can't use gf_log when in statedump. - Removed gf_log messages from client_priv_dump since it can cause a 'deadlock' - See statedump.c for explanation - Added try-lock based accessors for fd_lk_list for dump purposes. Change-Id: I1d755a4ef2c568acf22fb8c4ab0a33a4f5fd07b4 BUG: 789858 Signed-off-by: Krishnan Parthasarathi <kp@gluster.com> Reviewed-on: http://review.gluster.com/2882 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/protocol/client/src/client-helpers.c')
-rw-r--r--xlators/protocol/client/src/client-helpers.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/xlators/protocol/client/src/client-helpers.c b/xlators/protocol/client/src/client-helpers.c
index b9b0a0e..8cf83fe 100644
--- a/xlators/protocol/client/src/client-helpers.c
+++ b/xlators/protocol/client/src/client-helpers.c
@@ -26,6 +26,32 @@
#include "fd.h"
+int
+client_fd_lk_list_empty (fd_lk_ctx_t *lk_ctx, gf_boolean_t try_lock)
+{
+ int ret = 1;
+
+ if (!lk_ctx) {
+ ret = -1;
+ goto out;
+ }
+
+ if (try_lock) {
+ ret = TRY_LOCK (&lk_ctx->lock);
+ if (ret != 0) {
+ ret = -1;
+ goto out;
+ }
+ } else {
+ LOCK (&lk_ctx->lock);
+ }
+
+ ret = list_empty (&lk_ctx->lk_list);
+ UNLOCK (&lk_ctx->lock);
+out:
+ return ret;
+}
+
clnt_fd_ctx_t *
this_fd_del_ctx (fd_t *file, xlator_t *this)
{