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authorRaghavendra G <raghavendra@gluster.com>2009-10-08 06:21:49 +0000
committerAnand V. Avati <avati@dev.gluster.com>2009-10-09 00:49:56 -0700
commitf86d713f8e60dbd6d80f25a05fb3a55acc6457d0 (patch)
treea8c796d5c84996247918f0990b3551008d3360fe
parent4c83e0c25c39c90723a0c7ba6a706784b651704f (diff)
performance/stat-prefetch: implement sp_getxattr.
- path should be looked up in getxattr if it is not already looked up. 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.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/xlators/performance/stat-prefetch/src/stat-prefetch.c b/xlators/performance/stat-prefetch/src/stat-prefetch.c
index 860bf5aeb61..30834547425 100644
--- a/xlators/performance/stat-prefetch/src/stat-prefetch.c
+++ b/xlators/performance/stat-prefetch/src/stat-prefetch.c
@@ -2729,6 +2729,94 @@ unwind:
int32_t
+sp_getxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *dict)
+{
+ STACK_UNWIND (frame, op_ret, op_errno, dict);
+ return 0;
+}
+
+
+int32_t
+sp_getxattr_helper (call_frame_t *frame, xlator_t *this, loc_t *loc,
+ const char *name)
+{
+ uint64_t value = 0;
+ sp_inode_ctx_t *inode_ctx = NULL;
+ int32_t ret = 0, op_ret = -1, op_errno = -1;
+
+ ret = inode_ctx_get (loc->inode, this, &value);
+ if (ret == -1) {
+ gf_log (this->name, GF_LOG_DEBUG, "context not set in inode "
+ "(%p)", loc->inode);
+ op_errno = EINVAL;
+ goto unwind;
+ }
+
+ inode_ctx = (sp_inode_ctx_t *)(long) value;
+ GF_VALIDATE_OR_GOTO_WITH_ERROR (this->name, inode_ctx, unwind, op_errno,
+ EINVAL);
+
+ LOCK (&inode_ctx->lock);
+ {
+ op_ret = inode_ctx->op_ret;
+ op_errno = inode_ctx->op_errno;
+ }
+ UNLOCK (&inode_ctx->lock);
+
+ if (op_ret == -1) {
+ goto unwind;
+ }
+
+ STACK_WIND (frame, sp_getxattr_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->getxattr, loc, name);
+
+ return 0;
+
+unwind:
+ SP_STACK_UNWIND (frame, -1, op_errno, NULL);
+ return 0;
+}
+
+
+int32_t
+sp_getxattr (call_frame_t *frame, xlator_t *this, loc_t *loc, const char *name)
+{
+ int32_t op_errno = -1;
+ call_stub_t *stub = NULL;
+ char can_wind = 0, need_lookup = 0, need_unwind = 1;
+
+ GF_VALIDATE_OR_GOTO_WITH_ERROR (this->name, loc, out, op_errno,
+ EINVAL);
+ GF_VALIDATE_OR_GOTO_WITH_ERROR (this->name, loc->inode, out,
+ op_errno, EINVAL);
+
+ stub = fop_getxattr_stub (frame, sp_getxattr_helper, loc, name);
+ if (stub == NULL) {
+ op_errno = ENOMEM;
+ gf_log (this->name, GF_LOG_ERROR, "out of memory");
+ goto out;
+ }
+
+ sp_process_inode_ctx (frame, this, loc, stub, &need_unwind,
+ &need_lookup, &can_wind, &op_errno);
+
+out:
+ if (need_unwind) {
+ SP_STACK_UNWIND (frame, -1, op_errno, NULL);
+ } else if (need_lookup) {
+ STACK_WIND (frame, sp_lookup_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->lookup, loc, NULL);
+ } else if (can_wind) {
+ STACK_WIND (frame, sp_getxattr_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->getxattr, loc, name);
+ }
+
+ return 0;
+}
+
+
+int32_t
sp_setdents (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t flags,
dir_entry_t *entries, int32_t count)
{
@@ -3285,6 +3373,7 @@ struct xlator_fops fops = {
.setattr = sp_setattr,
.stat = sp_stat,
.access = sp_access,
+ .getxattr = sp_getxattr,
};
struct xlator_mops mops = {