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authorRaghavendra G <raghavendra@gluster.com>2009-08-23 22:31:37 +0000
committerAnand V. Avati <avati@dev.gluster.com>2009-09-08 01:42:04 -0700
commit22ec7a4cb2e05f2c3c4512d80256008caa8b994b (patch)
tree15d402c1a0308c04fe765180cc3ae621635e3988
parent4538285776eeaa5383d7473438440d953fd9e232 (diff)
performance/stat-prefetch: implement sp_readlink.
Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
-rw-r--r--xlators/performance/stat-prefetch/src/stat-prefetch.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/xlators/performance/stat-prefetch/src/stat-prefetch.c b/xlators/performance/stat-prefetch/src/stat-prefetch.c
index cdf6d73dece..dd3f4942de4 100644
--- a/xlators/performance/stat-prefetch/src/stat-prefetch.c
+++ b/xlators/performance/stat-prefetch/src/stat-prefetch.c
@@ -1144,6 +1144,39 @@ unwind:
int32_t
+sp_readlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, const char *path)
+{
+ SP_STACK_UNWIND (frame, op_ret, op_errno, path);
+ return 0;
+}
+
+
+int32_t
+sp_readlink (call_frame_t *frame, xlator_t *this, loc_t *loc, size_t size)
+{
+ sp_cache_t *cache = NULL;
+
+ GF_VALIDATE_OR_GOTO (this->name, loc, unwind);
+ GF_VALIDATE_OR_GOTO (this->name, loc->parent, unwind);
+ GF_VALIDATE_OR_GOTO (this->name, loc->name, unwind);
+
+ cache = sp_get_cache_inode (this, loc->parent, frame->root->pid);
+ if (cache) {
+ sp_cache_remove_entry (cache, (char *)loc->name, 0);
+ }
+
+ STACK_WIND (frame, sp_readlink_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->readlink, loc, size);
+ return 0;
+
+unwind:
+ SP_STACK_UNWIND (frame, -1, errno, NULL);
+ return 0;
+}
+
+
+int32_t
sp_forget (xlator_t *this, inode_t *inode)
{
struct stat *buf = NULL;
@@ -1201,6 +1234,7 @@ struct xlator_fops fops = {
.truncate = sp_truncate,
.ftruncate = sp_ftruncate,
.utimens = sp_utimens,
+ .readlink = sp_readlink,
};
struct xlator_mops mops = {