X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=file.h;h=38e9d0d43003c466ae13defebea219db8057b7c1;hp=30293fc9ddc34e4515a56cc8f5ab0091eb254030;hb=7d988f68c7f0ff6bd4c9e558c4defbd9a544b167;hpb=44f29692cfba246981bb3c1b894333a6d2209f51 diff --git a/file.h b/file.h index 30293fc9..38e9d0d4 100644 --- a/file.h +++ b/file.h @@ -1,7 +1,11 @@ #ifndef FIO_FILE_H #define FIO_FILE_H +#include +#include "compiler/compiler.h" #include "io_ddir.h" +#include "flist.h" +#include "lib/zipf.h" /* * The type of object we are working on @@ -39,6 +43,16 @@ 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. @@ -47,19 +61,19 @@ struct fio_file { struct flist_head hash_list; enum fio_filetype filetype; - /* - * A file may not be a file descriptor, let the io engine decide - */ - union { - unsigned long file_data; - int fd; - }; + void *file_data; + int fd; +#ifdef WIN32 + HANDLE hFile; + HANDLE ioCP; +#endif /* * filename and possible memory mapping */ char *file_name; unsigned int major, minor; + int fileno; void *mmap_ptr; size_t mmap_sz; @@ -73,6 +87,7 @@ struct fio_file { unsigned long long io_size; unsigned long long last_pos; + unsigned long long last_start; unsigned long long first_write; unsigned long long last_write; @@ -93,9 +108,15 @@ struct fio_file { /* * block map for random io */ - unsigned int *file_map; - unsigned int num_maps; - unsigned int last_free_lookup; + unsigned long *file_map; + unsigned long num_maps; + unsigned long last_free_lookup; + unsigned failed_rands; + + /* + * Used for zipf random distribution + */ + struct zipf_state zipf; int references; enum fio_file_flags flags; @@ -132,13 +153,16 @@ 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 unsigned long long get_start_offset(struct thread_data *); 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_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 *); extern void put_file_log(struct thread_data *, struct fio_file *); @@ -154,10 +178,12 @@ extern void free_release_files(struct thread_data *); static inline void fio_file_reset(struct fio_file *f) { f->last_free_lookup = 0; + f->failed_rands = 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)); + memset(f->file_map, 0, f->num_maps * sizeof(unsigned long)); } #endif