diff options
Diffstat (limited to 'xlators/protocol/client/src/client-helpers.c')
-rw-r--r-- | xlators/protocol/client/src/client-helpers.c | 73 |
1 files changed, 72 insertions, 1 deletions
diff --git a/xlators/protocol/client/src/client-helpers.c b/xlators/protocol/client/src/client-helpers.c index 77b416c476c..5d9f00fdc70 100644 --- a/xlators/protocol/client/src/client-helpers.c +++ b/xlators/protocol/client/src/client-helpers.c @@ -16,7 +16,6 @@ #include "client.h" #include "fd.h" - int client_fd_lk_list_empty (fd_lk_ctx_t *lk_ctx, gf_boolean_t try_lock) { @@ -276,3 +275,75 @@ clnt_readdir_rsp_cleanup (gfs3_readdir_rsp *rsp) return 0; } + +int +client_get_remote_fd (xlator_t *this, fd_t *fd, int flags, int64_t *remote_fd) +{ + clnt_fd_ctx_t *fdctx = NULL; + clnt_conf_t *conf = NULL; + + GF_VALIDATE_OR_GOTO (this->name, fd, out); + GF_VALIDATE_OR_GOTO (this->name, remote_fd, out); + + conf = this->private; + pthread_mutex_lock (&conf->lock); + { + fdctx = this_fd_get_ctx (fd, this); + if (!fdctx) + *remote_fd = GF_ANON_FD_NO; + else if (__is_fd_reopen_in_progress (fdctx)) + *remote_fd = -1; + else + *remote_fd = fdctx->remote_fd; + } + pthread_mutex_unlock (&conf->lock); + + if ((flags & FALLBACK_TO_ANON_FD) && (*remote_fd == -1)) + *remote_fd = GF_ANON_FD_NO; + + return 0; +out: + return -1; +} + +gf_boolean_t +client_is_reopen_needed (fd_t *fd, xlator_t *this, int64_t remote_fd) +{ + clnt_fd_ctx_t *fdctx = NULL; + + fdctx = this_fd_get_ctx (fd, this); + if (fdctx && (fdctx->remote_fd == -1) && + (remote_fd == GF_ANON_FD_NO)) + return _gf_true; + return _gf_false; +} + +int +client_fd_fop_prepare_local (call_frame_t *frame, fd_t *fd, int64_t remote_fd) +{ + xlator_t *this = NULL; + clnt_conf_t *conf = NULL; + clnt_local_t *local = NULL; + int ret = 0; + + this = frame->this; + conf = this->private; + + if (!frame || !fd) { + ret = -EINVAL; + goto out; + } + + frame->local = mem_get0 (this->local_pool); + if (frame->local == NULL) { + ret = -ENOMEM; + goto out; + } + + local = frame->local; + local->fd = fd_ref (fd); + local->attempt_reopen = client_is_reopen_needed (fd, this, remote_fd); + return 0; +out: + return ret; +} |