Add 'filesize' option

[fio.git] / fio.h

diff --git a/fio.h b/fio.h
index b085cd1e03d6f593c25eaca266cc2f8d066f3ade..3f0af656a87e775225589239d805ff1dab418efe 100644 (file)
--- a/fio.h
+++ b/fio.h
@@ -215,6 +215,14 @@ enum fio_ioengine_flags {
        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 */
+       FIO_FILE_EXISTS         = 1 << 3,       /* no need to create */
 };
 
 /*
@@ -222,6 +230,8 @@ 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
         */
@@ -244,8 +254,8 @@ struct fio_file {
        unsigned int num_maps;
        unsigned int last_free_lookup;
 
-       unsigned int unlink;
-       unsigned int open;
+       int references;
+       enum fio_file_flags flags;
 };
 
 /*
@@ -291,7 +301,7 @@ 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];
@@ -313,11 +323,11 @@ struct thread_data {
        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;
@@ -348,6 +358,7 @@ struct thread_data {
        unsigned int write_bw_log;
        unsigned int norandommap;
        unsigned int bs_unaligned;
+       unsigned int fsync_on_close;
 
        unsigned int bs[2];
        unsigned int min_bs[2];
@@ -383,6 +394,7 @@ struct thread_data {
        unsigned int file_service_type;
        unsigned int group_reporting;
        unsigned int open_files;
+       char *opendir;
 
        char *read_iolog_file;
        char *write_iolog_file;
@@ -473,6 +485,20 @@ 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;
+
+       /*
+        * For generating file sizes
+        */
+       os_random_state_t file_size_state;
+       unsigned long long file_size_low;
+       unsigned long long file_size_high;
 };
 
 /*
@@ -507,6 +533,7 @@ 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;
@@ -514,6 +541,7 @@ extern FILE *f_out;
 extern FILE *f_err;
 extern int temp_stall_ts;
 extern unsigned long long mlock_size;
+extern unsigned long page_mask, page_size;
 
 extern struct thread_data *threads;
 
@@ -628,7 +656,6 @@ extern void set_genesis_time(void);
  * Init functions
  */
 extern int __must_check parse_options(int, char **);
-extern int __must_check init_random_state(struct thread_data *);
 
 /*
  * File setup/shutdown
@@ -639,6 +666,10 @@ extern int __must_check open_files(struct thread_data *);
 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 *);
+extern int add_dir_files(struct thread_data *, const char *);
 
 /*
  * ETA/status stuff
@@ -692,6 +723,7 @@ 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
@@ -714,6 +746,8 @@ extern void td_io_close_file(struct thread_data *, struct fio_file *);
                fprintf(stderr, ##args);        \
        } while (0)
 
+#define log_info(args...)      fprintf(f_out, ##args)
+
 FILE *get_f_out(void);
 FILE *get_f_err(void);
 
@@ -754,7 +788,7 @@ 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)->open_files; (i)++, (f)++)
+       for ((i) = 0, (f) = &(td)->files[0]; (i) < (td)->nr_files; (i)++, (f)++)
 
 #define fio_assert(td, cond)   do {    \
        if (!(cond)) {                  \