X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=file.h;h=add77730fdb43931ba2fff38881b9196b3175395;hp=7948a4124caddca07d9ddc88b7166193b6546bce;hb=42da5c8b2cdd53427145b623293bc5b915fb5f05;hpb=63a582671fe6db03f0a0be81843f2b72bbc8ab33 diff --git a/file.h b/file.h index 7948a412..add77730 100644 --- a/file.h +++ b/file.h @@ -5,6 +5,9 @@ #include "compiler/compiler.h" #include "io_ddir.h" #include "flist.h" +#include "lib/zipf.h" +#include "lib/axmap.h" +#include "lib/lfsr.h" /* * The type of object we are working on @@ -42,6 +45,16 @@ enum { FIO_FSERVICE_SEQ = 3, }; +/* + * No pre-allocation when laying down files, or call posix_fallocate(), or + * call fallocate() with FALLOC_FL_KEEP_SIZE set. + */ +enum fio_fallocate_mode { + FIO_FALLOCATE_NONE = 1, + FIO_FALLOCATE_POSIX = 2, + FIO_FALLOCATE_KEEP_SIZE = 3, +}; + /* * Each thread_data structure has a number of files associated with it, * this structure holds state information for a single file. @@ -50,9 +63,9 @@ struct fio_file { struct flist_head hash_list; enum fio_filetype filetype; - void *file_data; int fd; -#ifdef __CYGWIN__ + int shadow_fd; +#ifdef WIN32 HANDLE hFile; HANDLE ioCP; #endif @@ -62,6 +75,7 @@ struct fio_file { */ char *file_name; unsigned int major, minor; + int fileno; void *mmap_ptr; size_t mmap_sz; @@ -70,35 +84,40 @@ struct fio_file { /* * size of the file, offset into file, and io size from that offset */ - unsigned long long real_file_size; - unsigned long long file_offset; - unsigned long long io_size; + uint64_t real_file_size; + uint64_t file_offset; + uint64_t io_size; - unsigned long long last_pos; - unsigned long long last_start; + uint64_t last_pos; + uint64_t last_start; - unsigned long long first_write; - unsigned long long last_write; + uint64_t first_write; + uint64_t last_write; /* * For use by the io engine */ - unsigned long long file_pos; + uint64_t engine_data; /* * if io is protected by a semaphore, this is set */ - struct fio_mutex *lock; - void *lock_owner; - unsigned int lock_batch; - enum fio_ddir lock_ddir; + union { + struct fio_mutex *lock; + struct fio_rwlock *rwlock; + }; /* * block map for random io */ - unsigned int *file_map; - unsigned int num_maps; - unsigned int last_free_lookup; + struct axmap *io_axmap; + + struct fio_lfsr lfsr; + + /* + * Used for zipf random distribution + */ + struct zipf_state zipf; int references; enum fio_file_flags flags; @@ -106,14 +125,19 @@ struct fio_file { struct disk_util *du; }; +struct file_name { + struct flist_head list; + char *filename; +}; + #define FILE_FLAG_FNS(name) \ static inline void fio_file_set_##name(struct fio_file *f) \ { \ - (f)->flags |= FIO_FILE_##name; \ + (f)->flags = (enum fio_file_flags) ((f)->flags | FIO_FILE_##name); \ } \ static inline void fio_file_clear_##name(struct fio_file *f) \ { \ - (f)->flags &= ~FIO_FILE_##name; \ + (f)->flags = (enum fio_file_flags) ((f)->flags & ~FIO_FILE_##name); \ } \ static inline int fio_file_##name(struct fio_file *f) \ { \ @@ -135,13 +159,15 @@ FILE_FLAG_FNS(partial_mmap); struct thread_data; extern void close_files(struct thread_data *); extern void close_and_free_files(struct thread_data *); +extern uint64_t get_start_offset(struct thread_data *, struct fio_file *); extern int __must_check setup_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 int __must_check generic_close_file(struct thread_data *, struct fio_file *); extern int __must_check generic_get_file_size(struct thread_data *, struct fio_file *); +extern int __must_check file_lookup_open(struct fio_file *f, int flags); extern int __must_check pre_read_files(struct thread_data *); -extern int add_file(struct thread_data *, const char *); +extern int add_file(struct thread_data *, const char *, int, int); extern int add_file_exclusive(struct thread_data *, const char *); extern void get_file(struct fio_file *); extern int __must_check put_file(struct thread_data *, struct fio_file *); @@ -154,15 +180,8 @@ extern int init_random_map(struct thread_data *); extern void dup_files(struct thread_data *, struct thread_data *); extern int get_fileno(struct thread_data *, const char *); extern void free_release_files(struct thread_data *); - -static inline void fio_file_reset(struct fio_file *f) -{ - f->last_free_lookup = 0; - f->last_pos = f->file_offset; - f->last_start = -1ULL; - f->file_pos = -1ULL; - if (f->file_map) - memset(f->file_map, 0, f->num_maps * sizeof(int)); -} +extern void filesetup_mem_free(void); +void fio_file_reset(struct thread_data *, struct fio_file *); +int fio_files_done(struct thread_data *); #endif