/*
* glusterfs engine
*
- * IO engine using Glusterfs's gfapi interface
+ * common Glusterfs's gfapi interface
*
*/
-#include <glusterfs/api/glfs.h>
+#include "gfapi.h"
-#include "../fio.h"
-
-struct gf_options {
- struct thread_data *td;
- char *gf_vol;
- char *gf_brick;
-};
-
-struct gf_data {
- glfs_t *fs;
- glfs_fd_t *fd;
-};
-static struct fio_option options[] = {
+struct fio_option gfapi_options[] = {
{
- .name = "volume",
- .lname = "Glusterfs volume",
- .type = FIO_OPT_STR_STORE,
- .help = "Name of the Glusterfs volume",
- .off1 = offsetof(struct gf_options, gf_vol),
- .category = FIO_OPT_C_ENGINE,
- .group = FIO_OPT_G_GFAPI,
+ .name = "volume",
+ .lname = "Glusterfs volume",
+ .type = FIO_OPT_STR_STORE,
+ .help = "Name of the Glusterfs volume",
+ .off1 = offsetof(struct gf_options, gf_vol),
+ .category = FIO_OPT_C_ENGINE,
+ .group = FIO_OPT_G_GFAPI,
},
{
- .name = "brick",
- .lname = "Glusterfs brick name",
- .type = FIO_OPT_STR_STORE,
- .help = "Name of the Glusterfs brick to connect",
- .off1 = offsetof(struct gf_options, gf_brick),
- .category = FIO_OPT_C_ENGINE,
- .group = FIO_OPT_G_GFAPI,
+ .name = "brick",
+ .lname = "Glusterfs brick name",
+ .type = FIO_OPT_STR_STORE,
+ .help = "Name of the Glusterfs brick to connect",
+ .off1 = offsetof(struct gf_options, gf_brick),
+ .category = FIO_OPT_C_ENGINE,
+ .group = FIO_OPT_G_GFAPI,
},
{
- .name = NULL,
+ .name = NULL,
},
};
-static int fio_gf_setup(struct thread_data *td)
+int fio_gf_setup(struct thread_data *td)
{
int r = 0;
struct gf_data *g = NULL;
struct gf_options *opt = td->eo;
+ struct stat sb = {0, };
+
+ dprint(FD_IO, "fio setup\n");
if (td->io_ops->data)
return 0;
log_err("malloc failed.\n");
return -ENOMEM;
}
- g->fs = NULL; g->fd = NULL;
+ g->fs = NULL; g->fd = NULL; g->aio_events = NULL;
g->fs = glfs_new (opt->gf_vol);
if (!g->fs){
log_err("glfs_new failed.\n");
goto cleanup;
}
-
+ glfs_set_logging (g->fs, "/tmp/fio_gfapi.log", 7);
/* default to tcp */
- r = glfs_set_volfile_server(g->fs, "tcp", opt->gf_brick, 24007);
+ r = glfs_set_volfile_server(g->fs, "tcp", opt->gf_brick, 0);
if (r){
log_err("glfs_set_volfile_server failed.\n");
goto cleanup;
}
r = glfs_init(g->fs);
if (r){
- log_err("glfs_init failed.\n");
+ log_err("glfs_init failed. Is glusterd running on brick?\n");
+ goto cleanup;
+ }
+ sleep(2);
+ r = glfs_lstat (g->fs, ".", &sb);
+ if (r){
+ log_err("glfs_lstat failed.\n");
goto cleanup;
}
- glfs_set_logging (g->fs, "/dev/stderr", 7);
-
+ dprint(FD_FILE, "fio setup %p\n", g->fs);
td->io_ops->data = g;
cleanup:
- if (g){
- if (g->fs){
- glfs_fini(g->fs);
+ if (r){
+ if (g){
+ if (g->fs){
+ glfs_fini(g->fs);
+ }
+ free(g);
+ td->io_ops->data = NULL;
}
- free(g);
}
return r;
}
-static void fio_gf_cleanup(struct thread_data *td)
+void fio_gf_cleanup(struct thread_data *td)
{
struct gf_data *g = td->io_ops->data;
- if (g){
- if (g->fs){
- glfs_fini(g->fs);
- }
- free(g);
+ if (g) {
+ if (g->aio_events)
+ free(g->aio_events);
+ if (g->fd)
+ glfs_close(g->fd);
+ if (g->fs)
+ glfs_fini(g->fs);
+ free(g);
+ td->io_ops->data = NULL;
}
}
-static int fio_gf_get_file_size(struct thread_data *td, struct fio_file *f)
+int fio_gf_get_file_size(struct thread_data *td, struct fio_file *f)
{
struct stat buf;
int ret;
if (!g || !g->fs)
{
- return 0;
+ return 0;
}
-
if (fio_file_size_known(f))
- return 0;
+ return 0;
ret = glfs_lstat (g->fs, f->file_name, &buf);
- if (ret < 0)
- return ret;
+ if (ret < 0){
+ log_err("glfs_lstat failed.\n");
+ return ret;
+ }
f->real_file_size = buf.st_size;
fio_file_set_size_known(f);
}
-static int fio_gf_open_file(struct thread_data *td, struct fio_file *f)
+int fio_gf_open_file(struct thread_data *td, struct fio_file *f)
{
- struct gf_data *g = td->io_ops->data;
- int flags = 0;
- dprint(FD_FILE, "fd open %s\n", f->file_name);
+ int flags = 0;
+ int ret = 0;
+ struct gf_data *g = td->io_ops->data;
+ struct stat sb = {0, };
if (td_write(td)) {
- if (!read_only)
- flags = O_RDWR;
+ if (!read_only)
+ flags = O_RDWR;
} else if (td_read(td)) {
- if (!read_only)
- flags = O_RDWR;
- else
- flags = O_RDONLY;
+ if (!read_only)
+ flags = O_RDWR;
+ else
+ flags = O_RDONLY;
}
- if (td->o.create_on_open)
- flags |= O_CREAT;
-
- g->fd = glfs_open(g->fs, f->file_name, flags);
+ dprint(FD_FILE, "fio file %s open mode %s td rw %s\n", f->file_name,
+ flags == O_RDONLY? "ro":"rw", td_read(td)? "read":"write");
+ g->fd = glfs_creat(g->fs, f->file_name, flags, 0644);
+ if (!g->fd){
+ log_err("glfs_creat failed.\n");
+ ret = errno;
+ }
+ /* file for read doesn't exist or shorter than required, create/extend it */
+ if (td_read(td)){
+ if (glfs_lstat (g->fs, f->file_name, &sb) || sb.st_size < f->real_file_size){
+ dprint(FD_FILE, "fio extend file %s from %ld to %ld\n", f->file_name, sb.st_size, f->real_file_size);
+ ret = glfs_ftruncate (g->fd, f->real_file_size);
+ if (ret){
+ log_err("failed fio extend file %s to %ld\n", f->file_name, f->real_file_size);
+ }else{
+ unsigned long long left;
+ unsigned int bs;
+ char *b;
+ int r;
+
+ /* fill the file, copied from extend_file */
+ b = malloc(td->o.max_bs[DDIR_WRITE]);
+
+ left = f->real_file_size;
+ while (left && !td->terminate) {
+ bs = td->o.max_bs[DDIR_WRITE];
+ if (bs > left)
+ bs = left;
+
+ fill_io_buffer(td, b, bs, bs);
+
+ r = glfs_write(g->fd, b, bs, 0);
+ dprint(FD_IO, "fio write %d of %ld file %s\n", r, f->real_file_size, f->file_name);
+
+ if (r > 0) {
+ left -= r;
+ continue;
+ } else {
+ if (r < 0) {
+ int __e = errno;
+
+ if (__e == ENOSPC) {
+ if (td->o.fill_device)
+ break;
+ log_info("fio: ENOSPC on laying out "
+ "file, stopping\n");
+ break;
+ }
+ td_verror(td, errno, "write");
+ } else
+ td_verror(td, EIO, "write");
+
+ break;
+ }
+ }
+
+ if (b) free(b);
+ glfs_lseek(g->fd, 0, SEEK_SET);
+
+ if (td->terminate) {
+ dprint(FD_FILE, "terminate unlink %s\n", f->file_name);
+ unlink(f->file_name);
+ } else if (td->o.create_fsync) {
+ if (glfs_fsync(g->fd) < 0) {
+ dprint(FD_FILE, "failed to sync, close %s\n", f->file_name);
+ td_verror(td, errno, "fsync");
+ glfs_close(g->fd);
+ g->fd = NULL;
+ return 1;
+ }
+ }
+ }
+ }
+ }
+#if defined(GFAPI_USE_FADVISE)
+ {
+ int r = 0;
+ if (td_random(td)){
+ r = glfs_fadvise(g->fd, 0, f->real_file_size, POSIX_FADV_RANDOM);
+ }else{
+ r = glfs_fadvise(g->fd, 0, f->real_file_size, POSIX_FADV_SEQUENTIAL);
+ }
+ if (r){
+ dprint(FD_FILE, "fio %p fadvise %s status %d\n", g->fs, f->file_name, r);
+ }
+ }
+#endif
+ dprint(FD_FILE, "fio %p created %s\n", g->fs, f->file_name);
f->fd = -1;
- return 0;
+ f->shadow_fd = -1;
+
+ return ret;
}
-static int fio_gf_close_file(struct thread_data *td, struct fio_file *f)
+int fio_gf_close_file(struct thread_data *td, struct fio_file *f)
{
int ret = 0;
struct gf_data *g = td->io_ops->data;
dprint(FD_FILE, "fd close %s\n", f->file_name);
- if (!g->fd && glfs_close(g->fd) < 0)
- ret = errno;
-
- g->fd = NULL;
- f->engine_data = 0;
-
- return ret;
-}
-
-#define LAST_POS(f) ((f)->engine_data)
-static int fio_gf_prep(struct thread_data *td, struct io_u *io_u)
-{
- struct fio_file *f = io_u->file;
- struct gf_data *g = td->io_ops->data;
-
- if (!ddir_rw(io_u->ddir))
- return 0;
-
- if (LAST_POS(f) != -1ULL && LAST_POS(f) == io_u->offset)
- return 0;
-
- if (glfs_lseek(g->fd, io_u->offset, SEEK_SET) < 0) {
- td_verror(td, errno, "lseek");
- return 1;
- }
-
- return 0;
-}
-
-static int fio_gf_queue(struct thread_data *td, struct io_u *io_u)
-{
- struct gf_data *g = td->io_ops->data;
- int ret = 0;
+ if (g){
+ if (g->fd && glfs_close(g->fd) < 0)
+ ret = errno;
- fio_ro_check(td, io_u);
+ if (g->fs)
+ glfs_fini(g->fs);
- if (io_u->ddir == DDIR_READ)
- ret = glfs_read(g->fd, io_u->xfer_buf, io_u->xfer_buflen, 0);
- else if (io_u->ddir == DDIR_WRITE)
- ret = glfs_write(g->fd, io_u->xfer_buf, io_u->xfer_buflen, 0);
- else {
- log_err("unsupported operation.\n");
- return -EINVAL;
+ g->fd = NULL;
+ free(g);
}
- if (io_u->file && ret >= 0 && ddir_rw(io_u->ddir))
- LAST_POS(io_u->file) = io_u->offset + ret;
-
- if (ret != (int) io_u->xfer_buflen) {
- if (ret >= 0) {
- io_u->resid = io_u->xfer_buflen - ret;
- io_u->error = 0;
- return FIO_Q_COMPLETED;
- } else
- io_u->error = errno;
- }
-
- if (io_u->error)
- td_verror(td, io_u->error, "xfer");
-
- return FIO_Q_COMPLETED;
-
-}
-
-static struct ioengine_ops ioengine = {
- .name = "gfapi",
- .version = FIO_IOOPS_VERSION,
- .setup = fio_gf_setup,
- .cleanup = fio_gf_cleanup,
- .prep = fio_gf_prep,
- .queue = fio_gf_queue,
- .open_file = fio_gf_open_file,
- .close_file = fio_gf_close_file,
- .get_file_size = fio_gf_get_file_size,
- .options = options,
- .option_struct_size = sizeof(struct gf_options),
- .flags = FIO_SYNCIO,
-};
+ td->io_ops->data = NULL;
+ f->engine_data = 0;
-static void fio_init fio_gf_register(void)
-{
- register_ioengine(&ioengine);
+ return ret;
}
-static void fio_exit fio_gf_unregister(void)
-{
- unregister_ioengine(&ioengine);
-}
projects / fio.git / blobdiff