diff options
Diffstat (limited to 'src/spdk/test/blobfs/fuse')
| -rw-r--r-- | src/spdk/test/blobfs/fuse/.gitignore | 1 | ||||
| -rw-r--r-- | src/spdk/test/blobfs/fuse/Makefile | 60 | ||||
| -rw-r--r-- | src/spdk/test/blobfs/fuse/fuse.c | 348 |
3 files changed, 409 insertions, 0 deletions
diff --git a/src/spdk/test/blobfs/fuse/.gitignore b/src/spdk/test/blobfs/fuse/.gitignore new file mode 100644 index 00000000..a517c488 --- /dev/null +++ b/src/spdk/test/blobfs/fuse/.gitignore @@ -0,0 +1 @@ +fuse diff --git a/src/spdk/test/blobfs/fuse/Makefile b/src/spdk/test/blobfs/fuse/Makefile new file mode 100644 index 00000000..847da50e --- /dev/null +++ b/src/spdk/test/blobfs/fuse/Makefile @@ -0,0 +1,60 @@ +# +# BSD LICENSE +# +# Copyright (c) Intel Corporation. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in +# the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Intel Corporation nor the names of its +# contributors may be used to endorse or promote products derived +# from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# + +SPDK_ROOT_DIR := $(abspath $(CURDIR)/../../..) +include $(SPDK_ROOT_DIR)/mk/spdk.common.mk +include $(SPDK_ROOT_DIR)/mk/spdk.app.mk +include $(SPDK_ROOT_DIR)/mk/spdk.modules.mk + +APP = fuse + +C_SRCS := fuse.c + +SPDK_LIB_LIST = event_bdev event_copy +SPDK_LIB_LIST += blobfs blob bdev blob_bdev copy event thread util conf trace \ + log jsonrpc json rpc + +LIBS += $(COPY_MODULES_LINKER_ARGS) $(BLOCKDEV_MODULES_LINKER_ARGS) +LIBS += $(SPDK_LIB_LINKER_ARGS) $(ENV_LINKER_ARGS) +LIBS+= -L/usr/local/lib -lfuse3 + +all : $(APP) + @: + +$(APP) : $(OBJS) $(SPDK_LIB_FILES) $(COPY_MODULES_FILES) $(BLOCKDEV_MODULES_FILES) $(ENV_LIBS) + $(LINK_C) + +clean : + $(CLEAN_C) $(APP) + +include $(SPDK_ROOT_DIR)/mk/spdk.deps.mk diff --git a/src/spdk/test/blobfs/fuse/fuse.c b/src/spdk/test/blobfs/fuse/fuse.c new file mode 100644 index 00000000..9d11dfa0 --- /dev/null +++ b/src/spdk/test/blobfs/fuse/fuse.c @@ -0,0 +1,348 @@ +/*- + * BSD LICENSE + * + * Copyright (c) Intel Corporation. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "spdk/stdinc.h" + +#define FUSE_USE_VERSION 30 +#include "fuse3/fuse.h" +#include "fuse3/fuse_lowlevel.h" + +#include "spdk/blobfs.h" +#include "spdk/bdev.h" +#include "spdk/event.h" +#include "spdk/thread.h" +#include "spdk/blob_bdev.h" +#include "spdk/log.h" + +struct fuse *g_fuse; +char *g_bdev_name; +char *g_mountpoint; +pthread_t g_fuse_thread; + +struct spdk_bs_dev *g_bs_dev; +struct spdk_filesystem *g_fs; +struct spdk_io_channel *g_channel; +struct spdk_file *g_file; +int g_fserrno; +int g_fuse_argc = 0; +char **g_fuse_argv = NULL; + +static void +__call_fn(void *arg1, void *arg2) +{ + fs_request_fn fn; + + fn = (fs_request_fn)arg1; + fn(arg2); +} + +static void +__send_request(fs_request_fn fn, void *arg) +{ + struct spdk_event *event; + + event = spdk_event_allocate(0, __call_fn, (void *)fn, arg); + spdk_event_call(event); +} + +static int +spdk_fuse_getattr(const char *path, struct stat *stbuf, struct fuse_file_info *fi) +{ + struct spdk_file_stat stat; + int rc; + + if (!strcmp(path, "/")) { + stbuf->st_mode = S_IFDIR | 0755; + stbuf->st_nlink = 2; + return 0; + } + + rc = spdk_fs_file_stat(g_fs, g_channel, path, &stat); + if (rc == 0) { + stbuf->st_mode = S_IFREG | 0644; + stbuf->st_nlink = 1; + stbuf->st_size = stat.size; + } + + return rc; +} + +static int +spdk_fuse_readdir(const char *path, void *buf, fuse_fill_dir_t filler, + off_t offset, struct fuse_file_info *fi, + enum fuse_readdir_flags flags) +{ + struct spdk_file *file; + const char *filename; + spdk_fs_iter iter; + + filler(buf, ".", NULL, 0, 0); + filler(buf, "..", NULL, 0, 0); + + iter = spdk_fs_iter_first(g_fs); + while (iter != NULL) { + file = spdk_fs_iter_get_file(iter); + iter = spdk_fs_iter_next(iter); + filename = spdk_file_get_name(file); + filler(buf, &filename[1], NULL, 0, 0); + } + + return 0; +} + +static int +spdk_fuse_mknod(const char *path, mode_t mode, dev_t rdev) +{ + return spdk_fs_create_file(g_fs, g_channel, path); +} + +static int +spdk_fuse_unlink(const char *path) +{ + return spdk_fs_delete_file(g_fs, g_channel, path); +} + +static int +spdk_fuse_truncate(const char *path, off_t size, struct fuse_file_info *fi) +{ + struct spdk_file *file; + int rc; + + rc = spdk_fs_open_file(g_fs, g_channel, path, 0, &file); + if (rc != 0) { + return -rc; + } + + rc = spdk_file_truncate(file, g_channel, size); + if (rc != 0) { + return -rc; + } + + spdk_file_close(file, g_channel); + + return 0; +} + +static int +spdk_fuse_utimens(const char *path, const struct timespec tv[2], struct fuse_file_info *fi) +{ + return 0; +} + +static int +spdk_fuse_open(const char *path, struct fuse_file_info *info) +{ + struct spdk_file *file; + int rc; + + rc = spdk_fs_open_file(g_fs, g_channel, path, 0, &file); + if (rc != 0) { + return -rc; + } + + info->fh = (uintptr_t)file; + return 0; +} + +static int +spdk_fuse_release(const char *path, struct fuse_file_info *info) +{ + struct spdk_file *file = (struct spdk_file *)info->fh; + + return spdk_file_close(file, g_channel); +} + +static int +spdk_fuse_read(const char *path, char *buf, size_t len, off_t offset, struct fuse_file_info *info) +{ + struct spdk_file *file = (struct spdk_file *)info->fh; + + return spdk_file_read(file, g_channel, buf, offset, len); +} + +static int +spdk_fuse_write(const char *path, const char *buf, size_t len, off_t offset, + struct fuse_file_info *info) +{ + struct spdk_file *file = (struct spdk_file *)info->fh; + int rc; + + rc = spdk_file_write(file, g_channel, (void *)buf, offset, len); + if (rc == 0) { + return len; + } else { + return rc; + } +} + +static int +spdk_fuse_flush(const char *path, struct fuse_file_info *info) +{ + return 0; +} + +static int +spdk_fuse_fsync(const char *path, int datasync, struct fuse_file_info *info) +{ + return 0; +} + +static int +spdk_fuse_rename(const char *old_path, const char *new_path, unsigned int flags) +{ + return spdk_fs_rename_file(g_fs, g_channel, old_path, new_path); +} + +static struct fuse_operations spdk_fuse_oper = { + .getattr = spdk_fuse_getattr, + .readdir = spdk_fuse_readdir, + .mknod = spdk_fuse_mknod, + .unlink = spdk_fuse_unlink, + .truncate = spdk_fuse_truncate, + .utimens = spdk_fuse_utimens, + .open = spdk_fuse_open, + .release = spdk_fuse_release, + .read = spdk_fuse_read, + .write = spdk_fuse_write, + .flush = spdk_fuse_flush, + .fsync = spdk_fuse_fsync, + .rename = spdk_fuse_rename, +}; + +static void +construct_targets(void) +{ + struct spdk_bdev *bdev; + + bdev = spdk_bdev_get_by_name(g_bdev_name); + if (bdev == NULL) { + SPDK_ERRLOG("bdev %s not found\n", g_bdev_name); + exit(1); + } + + g_bs_dev = spdk_bdev_create_bs_dev(bdev, NULL, NULL); + + printf("Mounting BlobFS on bdev %s\n", spdk_bdev_get_name(bdev)); +} + +static void +start_fuse_fn(void *arg1, void *arg2) +{ + struct fuse_args args = FUSE_ARGS_INIT(g_fuse_argc, g_fuse_argv); + int rc; + struct fuse_cmdline_opts opts = {}; + + g_fuse_thread = pthread_self(); + rc = fuse_parse_cmdline(&args, &opts); + if (rc != 0) { + spdk_app_stop(-1); + fuse_opt_free_args(&args); + return; + } + g_fuse = fuse_new(&args, &spdk_fuse_oper, sizeof(spdk_fuse_oper), NULL); + fuse_opt_free_args(&args); + + rc = fuse_mount(g_fuse, g_mountpoint); + if (rc != 0) { + spdk_app_stop(-1); + return; + } + + fuse_daemonize(true /* true = run in foreground */); + + fuse_loop(g_fuse); + + fuse_unmount(g_fuse); + fuse_destroy(g_fuse); +} + +static void +init_cb(void *ctx, struct spdk_filesystem *fs, int fserrno) +{ + struct spdk_event *event; + + g_fs = fs; + g_channel = spdk_fs_alloc_io_channel_sync(g_fs); + event = spdk_event_allocate(1, start_fuse_fn, NULL, NULL); + spdk_event_call(event); +} + +static void +spdk_fuse_run(void *arg1, void *arg2) +{ + construct_targets(); + spdk_fs_load(g_bs_dev, __send_request, init_cb, NULL); +} + +static void +shutdown_cb(void *ctx, int fserrno) +{ + fuse_session_exit(fuse_get_session(g_fuse)); + pthread_kill(g_fuse_thread, SIGINT); + spdk_fs_free_io_channel(g_channel); + spdk_app_stop(0); +} + +static void +spdk_fuse_shutdown(void) +{ + spdk_fs_unload(g_fs, shutdown_cb, NULL); +} + +int main(int argc, char **argv) +{ + struct spdk_app_opts opts = {}; + int rc = 0; + + if (argc < 4) { + fprintf(stderr, "usage: %s <conffile> <bdev name> <mountpoint>\n", argv[0]); + exit(1); + } + + spdk_app_opts_init(&opts); + opts.name = "spdk_fuse"; + opts.config_file = argv[1]; + opts.reactor_mask = "0x3"; + opts.mem_size = 6144; + opts.shutdown_cb = spdk_fuse_shutdown; + + g_bdev_name = argv[2]; + g_mountpoint = argv[3]; + g_fuse_argc = argc - 2; + g_fuse_argv = &argv[2]; + + rc = spdk_app_start(&opts, spdk_fuse_run, NULL, NULL); + spdk_app_fini(); + + return rc; +} |