X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;ds=sidebyside;f=fio.h;h=0fbf6ce8b45d2efa68cf4b892b1af71e6ac00462;hb=5afa0d9b2e14194d34001a24007d96536608e651;hp=1b933ca137c43632eeb98c620b2fbc47f711a2bd;hpb=756867bd127cfa1fb27ae2d4ba973af8cb341f13;p=fio.git

diff --git a/fio.h b/fio.h
index 1b933ca1..0fbf6ce8 100644
--- a/fio.h
+++ b/fio.h
@@ -17,6 +17,7 @@
 #include "crc32.h"
 #include "arch.h"
 #include "os.h"
+#include "mutex.h"
 
 #ifdef FIO_HAVE_SYSLET
 #include "syslet.h"
@@ -211,11 +212,16 @@ enum fio_filetype {
 
 enum fio_ioengine_flags {
 	FIO_SYNCIO	= 1 << 0,	/* io engine has synchronous ->queue */
-	FIO_CPUIO	= 1 << 1,	/* cpu burner, doesn't do real io */
-	FIO_MMAPIO	= 1 << 2,	/* uses memory mapped io */
-	FIO_RAWIO	= 1 << 3,	/* some sort of direct/raw io */
-	FIO_DISKLESSIO	= 1 << 4,	/* no disk involved */
-	FIO_SELFOPEN	= 1 << 5,       /* opens its own devices */
+	FIO_RAWIO	= 1 << 1,	/* some sort of direct/raw io */
+	FIO_DISKLESSIO	= 1 << 2,	/* no disk involved */
+	FIO_NOEXTEND	= 1 << 3,	/* engine can't extend file */
+	FIO_NODISKUTIL  = 1 << 4,       /* diskutil can't handle filename */
+};
+
+enum fio_file_flags {
+	FIO_FILE_OPEN		= 1 << 0,	/* file is open */
+	FIO_FILE_UNLINK		= 1 << 1,	/* unlink on close */
+	FIO_FILE_CLOSING	= 1 << 2,	/* file being closed */
 };
 
 /*
@@ -223,6 +229,8 @@ enum fio_ioengine_flags {
  * this structure holds state information for a single file.
  */
 struct fio_file {
+	enum fio_filetype filetype;
+
 	/*
 	 * A file may not be a file descriptor, let the io engine decide
 	 */
@@ -245,7 +253,8 @@ struct fio_file {
 	unsigned int num_maps;
 	unsigned int last_free_lookup;
 
-	unsigned int unlink;
+	int references;
+	enum fio_file_flags flags;
 };
 
 /*
@@ -261,6 +270,7 @@ struct thread_stat {
 	int groupid;
 	pid_t pid;
 	char *description;
+	int members;
 
 	struct io_log *slat_log;
 	struct io_log *clat_log;
@@ -290,7 +300,7 @@ struct thread_stat {
 	 */
 	unsigned int io_u_map[FIO_IO_U_MAP_NR];
 	unsigned int io_u_lat[FIO_IO_U_LAT_NR];
-	unsigned long total_io_u;
+	unsigned long total_io_u[2];
 
 	unsigned long long io_bytes[2];
 	unsigned long runtime[2];
@@ -306,16 +316,17 @@ struct thread_data {
 	char *name;
 	char *directory;
 	char *filename;
+	char *ioengine;
 	char verror[128];
 	pthread_t thread;
 	int thread_number;
 	int groupid;
 	struct thread_stat ts;
-	enum fio_filetype filetype;
 	struct fio_file *files;
+	unsigned int files_index;
 	unsigned int nr_files;
 	unsigned int nr_open_files;
-	unsigned int nr_uniq_files;
+	unsigned int nr_normal_files;
 	union {
 		unsigned int next_file;
 		os_random_state_t next_file_state;
@@ -380,6 +391,7 @@ struct thread_data {
 	unsigned int nice;
 	unsigned int file_service_type;
 	unsigned int group_reporting;
+	unsigned int open_files;
 
 	char *read_iolog_file;
 	char *write_iolog_file;
@@ -430,7 +442,7 @@ struct thread_data {
 	unsigned long long io_bytes[2];
 	unsigned long long this_io_bytes[2];
 	unsigned long long zone_bytes;
-	volatile int mutex;
+	struct fio_sem *mutex;
 
 	/*
 	 * State for random io, a bitmap of blocks done vs not done
@@ -470,6 +482,13 @@ struct thread_data {
 	 */
 	struct timeval timeout_end;
 	struct itimerval timer;
+
+	/*
+	 * for fileservice, how often to switch to a new file
+	 */
+	unsigned int file_service_nr;
+	unsigned int file_service_left;
+	struct fio_file *file_service_file;
 };
 
 /*
@@ -504,6 +523,7 @@ enum {
 
 extern int exitall_on_terminate;
 extern int thread_number;
+extern int nr_process, nr_thread;
 extern int shm_id;
 extern int groupid;
 extern int terse_output;
@@ -633,9 +653,12 @@ extern int __must_check init_random_state(struct thread_data *);
 extern void close_files(struct thread_data *);
 extern int __must_check setup_files(struct thread_data *);
 extern int __must_check open_files(struct thread_data *);
-extern int open_file(struct thread_data *, struct fio_file *, int, int);
-extern void close_file(struct thread_data *, struct fio_file *);
 extern int __must_check file_invalidate_cache(struct thread_data *, struct fio_file *);
+extern int __must_check generic_open_file(struct thread_data *, struct fio_file *);
+extern void generic_close_file(struct thread_data *, struct fio_file *);
+extern void add_file(struct thread_data *, const char *);
+extern void get_file(struct fio_file *);
+extern void put_file(struct thread_data *, struct fio_file *);
 
 /*
  * ETA/status stuff
@@ -689,6 +712,7 @@ extern void io_u_queued(struct thread_data *, struct io_u *);
 extern void io_u_log_error(struct thread_data *, struct io_u *);
 extern void io_u_init_timeout(void);
 extern void io_u_set_timeout(struct thread_data *);
+extern void io_u_mark_depth(struct thread_data *, struct io_u *);
 
 /*
  * io engine entry points
@@ -699,30 +723,8 @@ extern int __must_check td_io_queue(struct thread_data *, struct io_u *);
 extern int __must_check td_io_sync(struct thread_data *, struct fio_file *);
 extern int __must_check td_io_getevents(struct thread_data *, int, int, struct timespec *);
 extern int __must_check td_io_commit(struct thread_data *);
-
-/*
- * This is a pretty crappy semaphore implementation, but with the use that fio
- * has (just signalling start/go conditions), it doesn't have to be better.
- * Naturally this would not work for any type of contended semaphore or
- * for real locking.
- */
-static inline void fio_sem_init(volatile int *sem, int val)
-{
-	*sem = val;
-}
-
-static inline void fio_sem_down(volatile int *sem)
-{
-	while (*sem == 0)
-		usleep(10000);
-
-	(*sem)--;
-}
-
-static inline void fio_sem_up(volatile int *sem)
-{
-	(*sem)++;
-}
+extern int __must_check td_io_open_file(struct thread_data *, struct fio_file *);
+extern void td_io_close_file(struct thread_data *, struct fio_file *);
 
 /*
  * If logging output to a file, stderr should go to both stderr and f_err
@@ -750,12 +752,13 @@ struct ioengine_ops {
 	struct io_u *(*event)(struct thread_data *, int);
 	int (*cancel)(struct thread_data *, struct io_u *);
 	void (*cleanup)(struct thread_data *);
+	int (*open_file)(struct thread_data *, struct fio_file *);
+	void (*close_file)(struct thread_data *, struct fio_file *);
 	void *data;
 	void *dlhandle;
-	unsigned long priv;
 };
 
-#define FIO_IOOPS_VERSION	5
+#define FIO_IOOPS_VERSION	6
 
 extern struct ioengine_ops *load_ioengine(struct thread_data *, const char *);
 extern void register_ioengine(struct ioengine_ops *);
@@ -772,7 +775,7 @@ extern void close_ioengine(struct thread_data *);
 #define for_each_td(td, i)	\
 	for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++)
 #define for_each_file(td, f, i)	\
-	for ((i) = 0, (f) = &(td)->files[0]; (i) < (int) (td)->nr_files; (i)++, (f)++)
+	for ((i) = 0, (f) = &(td)->files[0]; (i) < (td)->nr_files; (i)++, (f)++)
 
 #define fio_assert(td, cond)	do {	\
 	if (!(cond)) {			\