diff options
| -rw-r--r-- | xlators/performance/stat-prefetch/src/stat-prefetch.c | 81 |
1 files changed, 72 insertions, 9 deletions
diff --git a/xlators/performance/stat-prefetch/src/stat-prefetch.c b/xlators/performance/stat-prefetch/src/stat-prefetch.c index 02f3235593a..7747450315c 100644 --- a/xlators/performance/stat-prefetch/src/stat-prefetch.c +++ b/xlators/performance/stat-prefetch/src/stat-prefetch.c @@ -1214,13 +1214,61 @@ out: int32_t +sp_opendir_helper (call_frame_t *frame, xlator_t *this, loc_t *loc, 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) { + goto unwind; + } + + STACK_WIND (frame, sp_fd_cbk, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->opendir, loc, fd); + + return 0; + +unwind: + SP_STACK_UNWIND (frame, -1, op_errno, NULL); + return 0; +} + + +int32_t sp_opendir (call_frame_t *frame, xlator_t *this, loc_t *loc, fd_t *fd) { - sp_local_t *local = NULL; - int32_t ret = -1, op_errno = EINVAL; + sp_local_t *local = NULL; + call_stub_t *stub = 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; @@ -1228,15 +1276,30 @@ sp_opendir (call_frame_t *frame, xlator_t *this, loc_t *loc, fd_t *fd) ret = loc_copy (&local->loc, loc); if (ret == -1) { op_errno = errno; - goto unwind; + goto out; } - STACK_WIND (frame, sp_fd_cbk, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->opendir, loc, fd); - return 0; + stub = fop_opendir_stub (frame, sp_opendir_helper, loc, fd); + 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_fd_cbk, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->opendir, loc, fd); + } -unwind: - SP_STACK_UNWIND (frame, -1, op_errno, fd); return 0; } |