* Boston, MA 02111-1307 USA
*/
-
/*
* pmemblk engine
*
#include "../fio.h"
-
-
/*
* libpmemblk
*/
struct PMEMblkpool_s;
typedef struct PMEMblkpool_s PMEMblkpool;
-PMEMblkpool* (*pmemblk_create)(const char*, size_t, size_t, mode_t) = NULL;
-PMEMblkpool* (*pmemblk_open)(const char*, size_t) = NULL;
-void (*pmemblk_close)(PMEMblkpool*) = NULL;
-size_t (*pmemblk_nblock)(PMEMblkpool*) = NULL;
-size_t (*pmemblk_bsize)(PMEMblkpool*) = NULL;
-int (*pmemblk_read)(PMEMblkpool*, void*, off_t) = NULL;
-int (*pmemblk_write)(PMEMblkpool*, const void*, off_t) = NULL;
-
-int
-load_libpmemblk(
- const char* path
-)
+PMEMblkpool *(*pmemblk_create) (const char *, size_t, size_t, mode_t) = NULL;
+PMEMblkpool *(*pmemblk_open) (const char *, size_t) = NULL;
+void (*pmemblk_close) (PMEMblkpool *) = NULL;
+size_t(*pmemblk_nblock) (PMEMblkpool *) = NULL;
+size_t(*pmemblk_bsize) (PMEMblkpool *) = NULL;
+int (*pmemblk_read) (PMEMblkpool *, void *, off_t) = NULL;
+int (*pmemblk_write) (PMEMblkpool *, const void *, off_t) = NULL;
+
+int load_libpmemblk(const char *path)
{
- void* dl;
+ void *dl;
if (NULL == path)
path = "libpmemblk.so";
goto errorout;
if (NULL == (pmemblk_write = dlsym(dl, "pmemblk_write")))
goto errorout;
-
+
return 0;
errorout:
dlclose(dl);
return (-1);
-
-} /* load_libpmemblk() */
+} /* load_libpmemblk() */
-typedef struct fio_pmemblk_file* fio_pmemblk_file_t;
+typedef struct fio_pmemblk_file *fio_pmemblk_file_t;
struct fio_pmemblk_file {
- fio_pmemblk_file_t pmb_next;
- char* pmb_filename;
- uint64_t pmb_refcnt;
- PMEMblkpool* pmb_pool;
- size_t pmb_bsize;
- size_t pmb_nblocks;
+ fio_pmemblk_file_t pmb_next;
+ char *pmb_filename;
+ uint64_t pmb_refcnt;
+ PMEMblkpool *pmb_pool;
+ size_t pmb_bsize;
+ size_t pmb_nblocks;
};
#define FIOFILEPMBSET(_f, _v) do { \
(_f)->engine_data = (uint64_t)(uintptr_t)(_v); \
} while(0)
#define FIOFILEPMBGET(_f) ((fio_pmemblk_file_t)((_f)->engine_data))
-static fio_pmemblk_file_t Cache = NULL;
+static fio_pmemblk_file_t Cache = NULL;
-static pthread_mutex_t CacheLock = PTHREAD_MUTEX_INITIALIZER;
+static pthread_mutex_t CacheLock = PTHREAD_MUTEX_INITIALIZER;
#define CACHE_LOCK() \
(void)pthread_mutex_lock(&CacheLock)
#define CACHE_UNLOCK() \
(void)pthread_mutex_unlock(&CacheLock)
-#define PMB_CREATE (0x0001) /* should create file */
-
+#define PMB_CREATE (0x0001) /* should create file */
-fio_pmemblk_file_t
-fio_pmemblk_cache_lookup(
- const char* filename
-)
+fio_pmemblk_file_t fio_pmemblk_cache_lookup(const char *filename)
{
- fio_pmemblk_file_t i;
+ fio_pmemblk_file_t i;
for (i = Cache; i != NULL; i = i->pmb_next)
if (0 == strcmp(filename, i->pmb_filename))
return NULL;
-} /* fio_pmemblk_cache_lookup() */
+} /* fio_pmemblk_cache_lookup() */
-
-static void
-fio_pmemblk_cache_insert(
- fio_pmemblk_file_t pmb
-)
+static void fio_pmemblk_cache_insert(fio_pmemblk_file_t pmb)
{
pmb->pmb_next = Cache;
Cache = pmb;
return;
-} /* fio_pmemblk_cache_insert() */
+} /* fio_pmemblk_cache_insert() */
-
-static void
-fio_pmemblk_cache_remove(
- fio_pmemblk_file_t pmb
-)
+static void fio_pmemblk_cache_remove(fio_pmemblk_file_t pmb)
{
- fio_pmemblk_file_t i;
+ fio_pmemblk_file_t i;
if (pmb == Cache) {
Cache = Cache->pmb_next;
return;
-} /* fio_pmemblk_cache_remove() */
-
+} /* fio_pmemblk_cache_remove() */
/*
* to control block size and gross file size at the libpmemblk
* we return bytes from here.
*/
static void
-pmb_parse_path(
- const char* pathspec,
- char** ppath,
- uint64_t* pbsize,
- uint64_t* pfsize
-)
+pmb_parse_path(const char *pathspec,
+ char **ppath, uint64_t * pbsize, uint64_t * pfsize)
{
- char* path;
- char* s;
- uint64_t bsize;
- uint64_t fsizemb;
+ char *path;
+ char *s;
+ uint64_t bsize;
+ uint64_t fsizemb;
path = strdup(pathspec);
if (NULL == path) {
/* extract sizes, if given */
s = strrchr(path, ',');
- if (s && (fsizemb = strtoull(s+1, NULL, 10))) {
+ if (s && (fsizemb = strtoull(s + 1, NULL, 10))) {
*s = 0;
s = strrchr(path, ',');
- if (s && (bsize = strtoull(s+1, NULL, 10))) {
+ if (s && (bsize = strtoull(s + 1, NULL, 10))) {
*s = 0;
- *ppath = path;
+ *ppath = path;
*pbsize = bsize;
*pfsize = fsizemb << 20;
return;
/* size specs not found */
strcpy(path, pathspec);
- *ppath = path;
+ *ppath = path;
*pbsize = 0;
*pfsize = 0;
return;
-} /* pmb_parse_path() */
-
+} /* pmb_parse_path() */
static
-fio_pmemblk_file_t
-pmb_open(
- const char* pathspec,
- int flags
-)
+ fio_pmemblk_file_t pmb_open(const char *pathspec, int flags)
{
- fio_pmemblk_file_t pmb;
- char* path = NULL;
- uint64_t bsize = 0;
- uint64_t fsize = 0;
+ fio_pmemblk_file_t pmb;
+ char *path = NULL;
+ uint64_t bsize = 0;
+ uint64_t fsize = 0;
pmb_parse_path(pathspec, &path, &bsize, &fsize);
if (NULL == path)
pmb->pmb_pool = pmemblk_open(path, bsize);
if ((NULL == pmb->pmb_pool) &&
(ENOENT == errno) &&
- (flags & PMB_CREATE) &&
- (0 < fsize) &&
- (0 < bsize)) {
- pmb->pmb_pool = pmemblk_create(path, bsize, fsize, 0644);
+ (flags & PMB_CREATE) && (0 < fsize) && (0 < bsize)) {
+ pmb->pmb_pool =
+ pmemblk_create(path, bsize, fsize, 0644);
}
if (NULL == pmb->pmb_pool) {
- log_err("fio: enable to open pmemblk pool file (errno %d)\n",
- errno);
+ log_err
+ ("fio: enable to open pmemblk pool file (errno %d)\n",
+ errno);
goto error;
}
pmb->pmb_filename = path;
- pmb->pmb_next = NULL;
- pmb->pmb_refcnt = 0;
- pmb->pmb_bsize = pmemblk_bsize(pmb->pmb_pool);
- pmb->pmb_nblocks = pmemblk_nblock(pmb->pmb_pool);
+ pmb->pmb_next = NULL;
+ pmb->pmb_refcnt = 0;
+ pmb->pmb_bsize = pmemblk_bsize(pmb->pmb_pool);
+ pmb->pmb_nblocks = pmemblk_nblock(pmb->pmb_pool);
fio_pmemblk_cache_insert(pmb);
}
pmb->pmb_refcnt += 1;
CACHE_UNLOCK();
-
+
return pmb;
error:
if (NULL != pmb) {
if (NULL != pmb->pmb_pool)
pmemblk_close(pmb->pmb_pool);
- pmb->pmb_pool = NULL;
+ pmb->pmb_pool = NULL;
pmb->pmb_filename = NULL;
free(pmb);
}
CACHE_UNLOCK();
return NULL;
-} /* pmb_open() */
-
+} /* pmb_open() */
-static void
-pmb_close(
- fio_pmemblk_file_t pmb,
- const int keep
-)
+static void pmb_close(fio_pmemblk_file_t pmb, const int keep)
{
CACHE_LOCK();
CACHE_UNLOCK();
-} /* pmb_close() */
-
+} /* pmb_close() */
-static int
-pmb_get_flags(
- struct thread_data* td,
- uint64_t* pflags
-)
+static int pmb_get_flags(struct thread_data *td, uint64_t * pflags)
{
- static int thread_warned = 0;
+ static int thread_warned = 0;
static int odirect_warned = 0;
- uint64_t flags = 0;
+ uint64_t flags = 0;
if (!td->o.use_thread) {
if (!thread_warned) {
(*pflags) = flags;
return 0;
-} /* pmb_get_flags() */
-
+} /* pmb_get_flags() */
-static int
-fio_pmemblk_open_file(
- struct thread_data* td,
- struct fio_file* f)
+static int fio_pmemblk_open_file(struct thread_data *td, struct fio_file *f)
{
- uint64_t flags = 0;
- fio_pmemblk_file_t pmb;
+ uint64_t flags = 0;
+ fio_pmemblk_file_t pmb;
if (0 != pmb_get_flags(td, &flags))
return 1;
return 0;
-} /* fio_pmemblk_open_file() */
-
+} /* fio_pmemblk_open_file() */
static int
-fio_pmemblk_close_file(
- struct thread_data fio_unused* td,
- struct fio_file* f
-)
+fio_pmemblk_close_file(struct thread_data fio_unused * td, struct fio_file *f)
{
- fio_pmemblk_file_t pmb = FIOFILEPMBGET(f);
+ fio_pmemblk_file_t pmb = FIOFILEPMBGET(f);
if (pmb)
pmb_close(pmb, 0);
return 0;
-} /* fio_pmemblk_close_file() */
+} /* fio_pmemblk_close_file() */
-
-static int
-fio_pmemblk_get_file_size(
- struct thread_data* td,
- struct fio_file* f
-)
+static int fio_pmemblk_get_file_size(struct thread_data *td, struct fio_file *f)
{
- uint64_t flags = 0;
- fio_pmemblk_file_t pmb = FIOFILEPMBGET(f);
+ uint64_t flags = 0;
+ fio_pmemblk_file_t pmb = FIOFILEPMBGET(f);
if (fio_file_size_known(f))
return 0;
return 0;
-} /* fio_pmemblk_get_file_size() */
+} /* fio_pmemblk_get_file_size() */
-
-static int
-fio_pmemblk_queue(
- struct thread_data* td,
- struct io_u* io_u)
+static int fio_pmemblk_queue(struct thread_data *td, struct io_u *io_u)
{
- struct fio_file* f = io_u->file;
- fio_pmemblk_file_t pmb = FIOFILEPMBGET(f);
+ struct fio_file *f = io_u->file;
+ fio_pmemblk_file_t pmb = FIOFILEPMBGET(f);
- unsigned long long off;
- unsigned long len;
- void* buf;
- int (*blkop)(PMEMblkpool*, void*, off_t) = (void*)pmemblk_write;
+ unsigned long long off;
+ unsigned long len;
+ void *buf;
+ int (*blkop) (PMEMblkpool *, void *, off_t) = (void *)pmemblk_write;
fio_ro_check(td, io_u);
return FIO_Q_COMPLETED;
-} /* fio_pmemblk_queue() */
+} /* fio_pmemblk_queue() */
-
-static int
-fio_pmemblk_unlink_file(
- struct thread_data* td,
- struct fio_file* f
-)
+static int fio_pmemblk_unlink_file(struct thread_data *td, struct fio_file *f)
{
- char* path = NULL;
- uint64_t bsize = 0;
- uint64_t fsize = 0;
+ char *path = NULL;
+ uint64_t bsize = 0;
+ uint64_t fsize = 0;
/*
* we need our own unlink in case the user has specified
return 0;
-} /* fio_pmemblk_unlink_file() */
-
+} /* fio_pmemblk_unlink_file() */
struct ioengine_ops ioengine = {
- .name = "pmemblk",
- .version = FIO_IOOPS_VERSION,
- .queue = fio_pmemblk_queue,
- .open_file = fio_pmemblk_open_file,
- .close_file = fio_pmemblk_close_file,
- .get_file_size = fio_pmemblk_get_file_size,
- .unlink_file = fio_pmemblk_unlink_file,
- .flags = FIO_SYNCIO | FIO_DISKLESSIO | FIO_NOEXTEND | FIO_NODISKUTIL,
+ .name = "pmemblk",
+ .version = FIO_IOOPS_VERSION,
+ .queue = fio_pmemblk_queue,
+ .open_file = fio_pmemblk_open_file,
+ .close_file = fio_pmemblk_close_file,
+ .get_file_size = fio_pmemblk_get_file_size,
+ .unlink_file = fio_pmemblk_unlink_file,
+ .flags = FIO_SYNCIO | FIO_DISKLESSIO | FIO_NOEXTEND | FIO_NODISKUTIL,
};
-
static void
fio_init fio_pmemblk_register(void)
{
register_ioengine(&ioengine);
}
-
static void
fio_exit fio_pmemblk_unregister(void)
{
unregister_ioengine(&ioengine);
}
-