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Diffstat (limited to 'xlators/performance/stat-prefetch/src/stat-prefetch.c')
-rw-r--r--xlators/performance/stat-prefetch/src/stat-prefetch.c86
1 files changed, 75 insertions, 11 deletions
diff --git a/xlators/performance/stat-prefetch/src/stat-prefetch.c b/xlators/performance/stat-prefetch/src/stat-prefetch.c
index 016dce44d..c5e48a17f 100644
--- a/xlators/performance/stat-prefetch/src/stat-prefetch.c
+++ b/xlators/performance/stat-prefetch/src/stat-prefetch.c
@@ -969,30 +969,94 @@ out:
int32_t
+sp_open_helper (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
+ fd_t *fd)
+{
+ 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) && ((op_errno != ENOENT)
+ || !((op_errno == ENOENT)
+ && (flags & O_CREAT)))) {
+ goto unwind;
+ }
+
+ STACK_WIND (frame, sp_fd_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->open, loc, flags, fd);
+
+ return 0;
+
+unwind:
+ SP_STACK_UNWIND (frame, -1, op_errno, fd);
+ return 0;
+}
+
+
+int32_t
sp_open (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
fd_t *fd)
{
- sp_local_t *local = NULL;
- int32_t ret = -1;
- int32_t op_errno = -1;
+ call_stub_t *stub = NULL;
+ sp_local_t *local = NULL;
+ int32_t op_errno = -1, ret = -1;
+ 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);
local = CALLOC (1, sizeof (*local));
- GF_VALIDATE_OR_GOTO_WITH_ERROR (this->name, local, unwind, op_errno,
+ GF_VALIDATE_OR_GOTO_WITH_ERROR (this->name, local, out, op_errno,
ENOMEM);
frame->local = local;
-
ret = loc_copy (&local->loc, loc);
if (ret == -1) {
- goto unwind;
+ op_errno = errno;
+ gf_log (this->name, GF_LOG_ERROR, "%s", strerror (op_errno));
+ goto out;
}
- STACK_WIND (frame, sp_fd_cbk, FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->open, loc, flags, fd);
- return 0;
+ stub = fop_open_stub (frame, sp_open_helper, loc, flags, fd);
+ if (stub == NULL) {
+ op_errno = ENOMEM;
+ goto out;
+ }
-unwind:
- SP_STACK_UNWIND (frame, -1, op_errno, fd);
+ 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, fd);
+ } 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_fd_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->open, loc, flags, fd);
+ }
+
return 0;
}