From 933c3eee81f843db1fb8a2eda491d49cfc04efea Mon Sep 17 00:00:00 2001 From: Shehjar Tikoo Date: Thu, 16 Apr 2009 23:57:24 -0700 Subject: libglusterfsclient: Add mknod API Signed-off-by: Anand V. Avati --- libglusterfsclient/src/libglusterfsclient.c | 92 +++++++++++++++++++++++++++++ libglusterfsclient/src/libglusterfsclient.h | 4 ++ 2 files changed, 96 insertions(+) (limited to 'libglusterfsclient') diff --git a/libglusterfsclient/src/libglusterfsclient.c b/libglusterfsclient/src/libglusterfsclient.c index ede3324d7..372f0933b 100755 --- a/libglusterfsclient/src/libglusterfsclient.c +++ b/libglusterfsclient/src/libglusterfsclient.c @@ -4337,6 +4337,98 @@ out: return op_ret; } +static int32_t +libgf_client_mknod_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, + inode_t *inode, struct stat *buf) +{ + libgf_client_local_t *local = frame->local; + + local->reply_stub = fop_mknod_cbk_stub (frame, NULL, op_ret, op_errno, + inode, buf); + + LIBGF_REPLY_NOTIFY (local); + return 0; +} + +static int32_t +libgf_client_mknod (libglusterfs_client_ctx_t *ctx, loc_t *loc, mode_t mode, + dev_t rdev) +{ + int32_t op_ret = -1; + call_stub_t *stub = NULL; + libgf_client_local_t *local = NULL; + inode_t *inode = NULL; + + LIBGF_CLIENT_FOP (ctx, stub, mknod, local, loc, mode, rdev); + + op_ret = stub->args.mknod_cbk.op_ret; + errno = stub->args.mknod_cbk.op_errno; + if (op_ret == -1) + goto out; + + inode = stub->args.mknod_cbk.inode; + inode_link (inode, loc->parent, loc->name, &stub->args.mknod_cbk.buf); + + if (!libgf_alloc_inode_ctx (ctx, inode)) + libgf_alloc_inode_ctx (ctx, inode); + + libgf_update_iattr_cache (inode, LIBGF_UPDATE_STAT, + &stub->args.mknod_cbk.buf); + +out: + call_stub_destroy (stub); + return op_ret; +} + +int +glusterfs_mknod(glusterfs_handle_t handle, const char *path, mode_t mode, + dev_t dev) +{ + libglusterfs_client_ctx_t *ctx = handle; + loc_t loc = {0, }; + char *name = NULL; + int32_t op_ret = -1; + + GF_VALIDATE_OR_GOTO (LIBGF_XL_NAME, ctx, out); + GF_VALIDATE_ABSOLUTE_PATH_OR_GOTO (LIBGF_XL_NAME, path, out); + + loc.path = strdup (path); + op_ret = libgf_client_path_lookup (&loc, ctx, 1); + if (op_ret == 0) { + op_ret = -1; + errno = EEXIST; + goto out; + } + + op_ret = libgf_client_path_lookup (&loc, ctx, 0); + if (op_ret == -1) { + errno = ENOENT; + goto out; + } + + name = strdup (path); + op_ret = libgf_client_loc_fill (&loc, ctx, 0, loc.parent->ino, + basename (name)); + if (op_ret == -1) { + gf_log ("libglusterfsclient", GF_LOG_ERROR, + "libgf_client_loc_fill returned -1, " + " returning EINVAL"); + errno = EINVAL; + goto out; + } + + loc.inode = inode_new (ctx->itable); + op_ret = libgf_client_mknod (ctx, &loc, mode, dev); + +out: + libgf_client_loc_wipe (&loc); + if (name) + FREE (name); + + return op_ret; +} + static struct xlator_fops libgf_client_fops = { }; diff --git a/libglusterfsclient/src/libglusterfsclient.h b/libglusterfsclient/src/libglusterfsclient.h index 516a03a08..d541da0e9 100755 --- a/libglusterfsclient/src/libglusterfsclient.h +++ b/libglusterfsclient/src/libglusterfsclient.h @@ -221,6 +221,10 @@ int glusterfs_getdents (glusterfs_dir_t fd, struct dirent *dirp, unsigned int count); +int +glusterfs_mknod(glusterfs_handle_t handle, const char *pathname, mode_t mode, + dev_t dev); + /* FIXME: review the need for these apis */ /* added for log related initialization in booster fork implementation */ void -- cgit