[fio.git] / engines / fileoperations.c

/*
 * file/directory operations engine
 *
 * IO engine that doesn't do any IO, just operates files/directories
 * and tracks the latency of the operation.
 */
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include "../fio.h"
#include "../optgroup.h"
#include "../oslib/statx.h"

enum fio_engine {
	UNKNOWN_OP_ENGINE = 0,
	FILE_OP_ENGINE = 1,
	DIR_OP_ENGINE = 2,
};

struct fc_data {
	enum fio_ddir stat_ddir;
	enum fio_engine op_engine;
};

struct filestat_options {
	void *pad;
	unsigned int stat_type;
};

enum {
	FIO_FILESTAT_STAT	= 1,
	FIO_FILESTAT_LSTAT	= 2,
	FIO_FILESTAT_STATX	= 3,
};

static struct fio_option options[] = {
	{
		.name	= "stat_type",
		.lname	= "stat_type",
		.type	= FIO_OPT_STR,
		.off1	= offsetof(struct filestat_options, stat_type),
		.help	= "Specify stat system call type to measure lookup/getattr performance",
		.def	= "stat",
		.posval = {
			  { .ival = "stat",
			    .oval = FIO_FILESTAT_STAT,
			    .help = "Use stat(2)",
			  },
			  { .ival = "lstat",
			    .oval = FIO_FILESTAT_LSTAT,
			    .help = "Use lstat(2)",
			  },
			  { .ival = "statx",
			    .oval = FIO_FILESTAT_STATX,
			    .help = "Use statx(2) if exists",
			  },
		},
		.category = FIO_OPT_C_ENGINE,
		.group	= FIO_OPT_G_FILESTAT,
	},
	{
		.name	= NULL,
	},
};

static int setup_dirs(struct thread_data *td)
{
	int ret = 0;
	int i;
	struct fio_file *f;

	for_each_file(td, f, i) {
		dprint(FD_FILE, "setup directory %s\n", f->file_name);
		ret = fio_mkdir(f->file_name, 0700);
		if ((ret && errno != EEXIST)) {
			log_err("create directory %s failed with %d\n",
				f->file_name, errno);
			break;
		}
		ret = 0;
	}
	return ret;
}

static int open_file(struct thread_data *td, struct fio_file *f)
{
	struct timespec start;
	int do_lat = !td->o.disable_lat;
	struct fc_data *fcd = td->io_ops_data;

	dprint(FD_FILE, "fd open %s\n", f->file_name);

	if (f->filetype != FIO_TYPE_FILE) {
		log_err("fio: only files are supported\n");
		return 1;
	}
	if (!strcmp(f->file_name, "-")) {
		log_err("fio: can't read/write to stdin/out\n");
		return 1;
	}

	if (do_lat)
		fio_gettime(&start, NULL);

	if (fcd->op_engine == FILE_OP_ENGINE)
		f->fd = open(f->file_name, O_CREAT|O_RDWR, 0600);
	else if (fcd->op_engine == DIR_OP_ENGINE)
		f->fd = fio_mkdir(f->file_name, S_IFDIR);
	else {
		log_err("fio: unknown file/directory operation engine\n");
		return 1;
	}

	if (f->fd == -1) {
		char buf[FIO_VERROR_SIZE];
		int e = errno;

		snprintf(buf, sizeof(buf), "open(%s)", f->file_name);
		td_verror(td, e, buf);
		return 1;
	}

	if (do_lat) {
		struct fc_data *data = td->io_ops_data;
		uint64_t nsec;

		nsec = ntime_since_now(&start);
		add_clat_sample(td, data->stat_ddir, nsec, 0, 0, 0, 0);
	}

	return 0;
}

static int stat_file(struct thread_data *td, struct fio_file *f)
{
	struct filestat_options *o = td->eo;
	struct timespec start;
	int do_lat = !td->o.disable_lat;
	struct stat statbuf;
#ifndef WIN32
	struct statx statxbuf;
	char *abspath;
#endif
	int ret;

	dprint(FD_FILE, "fd stat %s\n", f->file_name);

	if (f->filetype != FIO_TYPE_FILE) {
		log_err("fio: only files are supported\n");
		return 1;
	}
	if (!strcmp(f->file_name, "-")) {
		log_err("fio: can't read/write to stdin/out\n");
		return 1;
	}

	if (do_lat)
		fio_gettime(&start, NULL);

	switch (o->stat_type) {
	case FIO_FILESTAT_STAT:
		ret = stat(f->file_name, &statbuf);
		break;
	case FIO_FILESTAT_LSTAT:
		ret = lstat(f->file_name, &statbuf);
		break;
	case FIO_FILESTAT_STATX:
#ifndef WIN32
		abspath = realpath(f->file_name, NULL);
		if (abspath) {
			ret = statx(-1, abspath, 0, STATX_ALL, &statxbuf);
			free(abspath);
		} else
			ret = -1;
#else
		ret = -1;
#endif
		break;
	default:
		ret = -1;
		break;
	}

	if (ret == -1) {
		char buf[FIO_VERROR_SIZE];
		int e = errno;

		snprintf(buf, sizeof(buf), "stat(%s) type=%u", f->file_name,
			o->stat_type);
		td_verror(td, e, buf);
		return 1;
	}

	if (do_lat) {
		struct fc_data *data = td->io_ops_data;
		uint64_t nsec;

		nsec = ntime_since_now(&start);
		add_clat_sample(td, data->stat_ddir, nsec, 0, 0, 0, 0);
	}

	return 0;
}

static int delete_file(struct thread_data *td, struct fio_file *f)
{
	struct timespec start;
	int do_lat = !td->o.disable_lat;
	struct fc_data *fcd = td->io_ops_data;
	int ret;

	dprint(FD_FILE, "fd delete %s\n", f->file_name);

	if (f->filetype != FIO_TYPE_FILE) {
		log_err("fio: only files are supported\n");
		return 1;
	}
	if (!strcmp(f->file_name, "-")) {
		log_err("fio: can't read/write to stdin/out\n");
		return 1;
	}

	if (do_lat)
		fio_gettime(&start, NULL);

	if (fcd->op_engine == FILE_OP_ENGINE)
		ret = unlink(f->file_name);
	else if (fcd->op_engine == DIR_OP_ENGINE)
		ret = rmdir(f->file_name);
	else {
		log_err("fio: unknown file/directory operation engine\n");
		return 1;
	}

	if (ret == -1) {
		char buf[FIO_VERROR_SIZE];
		int e = errno;

		snprintf(buf, sizeof(buf), "delete(%s)", f->file_name);
		td_verror(td, e, buf);
		return 1;
	}

	if (do_lat) {
		struct fc_data *data = td->io_ops_data;
		uint64_t nsec;

		nsec = ntime_since_now(&start);
		add_clat_sample(td, data->stat_ddir, nsec, 0, 0, 0, 0);
	}

	return 0;
}

static int invalidate_do_nothing(struct thread_data *td, struct fio_file *f)
{
	/* do nothing because file not opened */
	return 0;
}

static enum fio_q_status queue_io(struct thread_data *td, struct io_u *io_u)
{
	return FIO_Q_COMPLETED;
}

/*
 * Ensure that we at least have a block size worth of IO to do for each
 * file. If the job file has td->o.size < nr_files * block_size, then
 * fio won't do anything.
 */
static int get_file_size(struct thread_data *td, struct fio_file *f)
{
	f->real_file_size = td_min_bs(td);
	return 0;
}

static int init(struct thread_data *td)
{
	struct fc_data *data;

	data = calloc(1, sizeof(*data));

	if (td_read(td))
		data->stat_ddir = DDIR_READ;
	else if (td_write(td))
		data->stat_ddir = DDIR_WRITE;

	data->op_engine = UNKNOWN_OP_ENGINE;

	if (!strncmp(td->o.ioengine, "file", 4)) {
		data->op_engine = FILE_OP_ENGINE;
		dprint(FD_FILE, "Operate engine type: file\n");
	}
	if (!strncmp(td->o.ioengine, "dir", 3)) {
		data->op_engine = DIR_OP_ENGINE;
		dprint(FD_FILE, "Operate engine type: directory\n");
	}

	td->io_ops_data = data;
	return 0;
}

static void cleanup(struct thread_data *td)
{
	struct fc_data *data = td->io_ops_data;

	free(data);
}

static int remove_dir(struct thread_data *td, struct fio_file *f)
{
	dprint(FD_FILE, "remove directory %s\n", f->file_name);
	return rmdir(f->file_name);
}

static struct ioengine_ops ioengine_filecreate = {
	.name		= "filecreate",
	.version	= FIO_IOOPS_VERSION,
	.init		= init,
	.cleanup	= cleanup,
	.queue		= queue_io,
	.get_file_size	= get_file_size,
	.open_file	= open_file,
	.close_file	= generic_close_file,
	.flags		= FIO_DISKLESSIO | FIO_SYNCIO | FIO_FAKEIO |
				FIO_NOSTATS | FIO_NOFILEHASH,
};

static struct ioengine_ops ioengine_filestat = {
	.name		= "filestat",
	.version	= FIO_IOOPS_VERSION,
	.init		= init,
	.cleanup	= cleanup,
	.queue		= queue_io,
	.invalidate	= invalidate_do_nothing,
	.get_file_size	= generic_get_file_size,
	.open_file	= stat_file,
	.flags		=  FIO_SYNCIO | FIO_FAKEIO |
				FIO_NOSTATS | FIO_NOFILEHASH,
	.options	= options,
	.option_struct_size = sizeof(struct filestat_options),
};

static struct ioengine_ops ioengine_filedelete = {
	.name		= "filedelete",
	.version	= FIO_IOOPS_VERSION,
	.init		= init,
	.invalidate	= invalidate_do_nothing,
	.cleanup	= cleanup,
	.queue		= queue_io,
	.get_file_size	= generic_get_file_size,
	.open_file	= delete_file,
	.flags		=  FIO_SYNCIO | FIO_FAKEIO |
				FIO_NOSTATS | FIO_NOFILEHASH,
};

static struct ioengine_ops ioengine_dircreate = {
	.name		= "dircreate",
	.version	= FIO_IOOPS_VERSION,
	.init		= init,
	.cleanup	= cleanup,
	.queue		= queue_io,
	.get_file_size	= get_file_size,
	.open_file	= open_file,
	.close_file	= generic_close_file,
	.unlink_file    = remove_dir,
	.flags		= FIO_DISKLESSIO | FIO_SYNCIO | FIO_FAKEIO |
				FIO_NOSTATS | FIO_NOFILEHASH,
};

static struct ioengine_ops ioengine_dirstat = {
	.name		= "dirstat",
	.version	= FIO_IOOPS_VERSION,
	.setup		= setup_dirs,
	.init		= init,
	.cleanup	= cleanup,
	.queue		= queue_io,
	.invalidate	= invalidate_do_nothing,
	.get_file_size	= generic_get_file_size,
	.open_file	= stat_file,
	.unlink_file	= remove_dir,
	.flags		=  FIO_DISKLESSIO | FIO_SYNCIO | FIO_FAKEIO |
				FIO_NOSTATS | FIO_NOFILEHASH,
	.options	= options,
	.option_struct_size = sizeof(struct filestat_options),
};

static struct ioengine_ops ioengine_dirdelete = {
	.name		= "dirdelete",
	.version	= FIO_IOOPS_VERSION,
	.setup		= setup_dirs,
	.init		= init,
	.invalidate	= invalidate_do_nothing,
	.cleanup	= cleanup,
	.queue		= queue_io,
	.get_file_size	= get_file_size,
	.open_file	= delete_file,
	.unlink_file	= remove_dir,
	.flags		= FIO_DISKLESSIO | FIO_SYNCIO | FIO_FAKEIO |
				FIO_NOSTATS | FIO_NOFILEHASH,
};

static void fio_init fio_fileoperations_register(void)
{
	register_ioengine(&ioengine_filecreate);
	register_ioengine(&ioengine_filestat);
	register_ioengine(&ioengine_filedelete);
	register_ioengine(&ioengine_dircreate);
	register_ioengine(&ioengine_dirstat);
	register_ioengine(&ioengine_dirdelete);
}

static void fio_exit fio_fileoperations_unregister(void)
{
	unregister_ioengine(&ioengine_filecreate);
	unregister_ioengine(&ioengine_filestat);
	unregister_ioengine(&ioengine_filedelete);
	unregister_ioengine(&ioengine_dircreate);
	unregister_ioengine(&ioengine_dirstat);
	unregister_ioengine(&ioengine_dirdelete);
}
Commit	Line	Data
910c72df	1	/*
a7a817a2	2	* file/directory operations engine
910c72df	3	*
a7a817a2	4	* IO engine that doesn't do any IO, just operates files/directories
a7a817a2	5	* and tracks the latency of the operation.
910c72df FS	6	*/
	7	#include <stdio.h>
	8	#include <stdlib.h>
	9	#include <fcntl.h>
	10	#include <errno.h>
	11	#include <sys/types.h>
	12	#include <sys/stat.h>
	13	#include <unistd.h>
	14	#include "../fio.h"
	15	#include "../optgroup.h"
	16	#include "../oslib/statx.h"
	17
a7a817a2	18	enum fio_engine {
	19	UNKNOWN_OP_ENGINE = 0,
	20	FILE_OP_ENGINE = 1,
	21	DIR_OP_ENGINE = 2,
	22	};
910c72df FS	23
	24	struct fc_data {
	25	enum fio_ddir stat_ddir;
a7a817a2	26	enum fio_engine op_engine;
910c72df FS	27	};
	28
	29	struct filestat_options {
	30	void *pad;
	31	unsigned int stat_type;
	32	};
	33
	34	enum {
	35	FIO_FILESTAT_STAT = 1,
	36	FIO_FILESTAT_LSTAT = 2,
	37	FIO_FILESTAT_STATX = 3,
	38	};
	39
	40	static struct fio_option options[] = {
	41	{
	42	.name = "stat_type",
	43	.lname = "stat_type",
	44	.type = FIO_OPT_STR,
	45	.off1 = offsetof(struct filestat_options, stat_type),
	46	.help = "Specify stat system call type to measure lookup/getattr performance",
	47	.def = "stat",
	48	.posval = {
	49	{ .ival = "stat",
	50	.oval = FIO_FILESTAT_STAT,
	51	.help = "Use stat(2)",
	52	},
	53	{ .ival = "lstat",
	54	.oval = FIO_FILESTAT_LSTAT,
	55	.help = "Use lstat(2)",
	56	},
	57	{ .ival = "statx",
	58	.oval = FIO_FILESTAT_STATX,
	59	.help = "Use statx(2) if exists",
	60	},
	61	},
	62	.category = FIO_OPT_C_ENGINE,
	63	.group = FIO_OPT_G_FILESTAT,
	64	},
	65	{
	66	.name = NULL,
	67	},
	68	};
	69
a7a817a2	70	static int setup_dirs(struct thread_data *td)
	71	{
	72	int ret = 0;
	73	int i;
	74	struct fio_file *f;
	75
	76	for_each_file(td, f, i) {
	77	dprint(FD_FILE, "setup directory %s\n", f->file_name);
	78	ret = fio_mkdir(f->file_name, 0700);
	79	if ((ret && errno != EEXIST)) {
	80	log_err("create directory %s failed with %d\n",
	81	f->file_name, errno);
	82	break;
	83	}
	84	ret = 0;
	85	}
	86	return ret;
	87	}
	88
910c72df FS	89	static int open_file(struct thread_data td, struct fio_file f)
	90	{
	91	struct timespec start;
	92	int do_lat = !td->o.disable_lat;
caa20ee5	93	struct fc_data *fcd = td->io_ops_data;
910c72df FS	94
	95	dprint(FD_FILE, "fd open %s\n", f->file_name);
	96
	97	if (f->filetype != FIO_TYPE_FILE) {
	98	log_err("fio: only files are supported\n");
	99	return 1;
	100	}
	101	if (!strcmp(f->file_name, "-")) {
	102	log_err("fio: can't read/write to stdin/out\n");
	103	return 1;
	104	}
	105
	106	if (do_lat)
	107	fio_gettime(&start, NULL);
	108
caa20ee5	109	if (fcd->op_engine == FILE_OP_ENGINE)
a7a817a2	110	f->fd = open(f->file_name, O_CREAT\|O_RDWR, 0600);
caa20ee5	111	else if (fcd->op_engine == DIR_OP_ENGINE)
a7a817a2	112	f->fd = fio_mkdir(f->file_name, S_IFDIR);
	113	else {
	114	log_err("fio: unknown file/directory operation engine\n");
	115	return 1;
	116	}
910c72df FS	117
	118	if (f->fd == -1) {
	119	char buf[FIO_VERROR_SIZE];
	120	int e = errno;
	121
	122	snprintf(buf, sizeof(buf), "open(%s)", f->file_name);
	123	td_verror(td, e, buf);
	124	return 1;
	125	}
	126
	127	if (do_lat) {
	128	struct fc_data *data = td->io_ops_data;
	129	uint64_t nsec;
	130
	131	nsec = ntime_since_now(&start);
	132	add_clat_sample(td, data->stat_ddir, nsec, 0, 0, 0, 0);
	133	}
	134
	135	return 0;
	136	}
	137
	138	static int stat_file(struct thread_data td, struct fio_file f)
	139	{
	140	struct filestat_options *o = td->eo;
	141	struct timespec start;
	142	int do_lat = !td->o.disable_lat;
	143	struct stat statbuf;
	144	#ifndef WIN32
	145	struct statx statxbuf;
	146	char *abspath;
	147	#endif
	148	int ret;
	149
	150	dprint(FD_FILE, "fd stat %s\n", f->file_name);
	151
	152	if (f->filetype != FIO_TYPE_FILE) {
	153	log_err("fio: only files are supported\n");
	154	return 1;
	155	}
	156	if (!strcmp(f->file_name, "-")) {
	157	log_err("fio: can't read/write to stdin/out\n");
	158	return 1;
	159	}
	160
	161	if (do_lat)
	162	fio_gettime(&start, NULL);
	163
	164	switch (o->stat_type) {
	165	case FIO_FILESTAT_STAT:
	166	ret = stat(f->file_name, &statbuf);
	167	break;
	168	case FIO_FILESTAT_LSTAT:
	169	ret = lstat(f->file_name, &statbuf);
	170	break;
	171	case FIO_FILESTAT_STATX:
	172	#ifndef WIN32
	173	abspath = realpath(f->file_name, NULL);
	174	if (abspath) {
	175	ret = statx(-1, abspath, 0, STATX_ALL, &statxbuf);
	176	free(abspath);
	177	} else
	178	ret = -1;
	179	#else
	180	ret = -1;
181	#endif
182	break;
183	default:
184	ret = -1;
185	break;
186	}
187
188	if (ret == -1) {
189	char buf[FIO_VERROR_SIZE];
190	int e = errno;
191
192	snprintf(buf, sizeof(buf), "stat(%s) type=%u", f->file_name,
193	o->stat_type);
194	td_verror(td, e, buf);
195	return 1;
196	}
197
198	if (do_lat) {
199	struct fc_data *data = td->io_ops_data;
200	uint64_t nsec;
201
202	nsec = ntime_since_now(&start);
203	add_clat_sample(td, data->stat_ddir, nsec, 0, 0, 0, 0);
204	}
205
206	return 0;
207	}
208
910c72df FS	209	static int delete_file(struct thread_data td, struct fio_file f)
	210	{
	211	struct timespec start;
	212	int do_lat = !td->o.disable_lat;
caa20ee5	213	struct fc_data *fcd = td->io_ops_data;
910c72df FS	214	int ret;
	215
	216	dprint(FD_FILE, "fd delete %s\n", f->file_name);
	217
	218	if (f->filetype != FIO_TYPE_FILE) {
	219	log_err("fio: only files are supported\n");
	220	return 1;
	221	}
	222	if (!strcmp(f->file_name, "-")) {
	223	log_err("fio: can't read/write to stdin/out\n");
	224	return 1;
	225	}
	226
	227	if (do_lat)
	228	fio_gettime(&start, NULL);
	229
caa20ee5	230	if (fcd->op_engine == FILE_OP_ENGINE)
a7a817a2	231	ret = unlink(f->file_name);
caa20ee5	232	else if (fcd->op_engine == DIR_OP_ENGINE)
a7a817a2	233	ret = rmdir(f->file_name);
	234	else {
	235	log_err("fio: unknown file/directory operation engine\n");
	236	return 1;
	237	}
	238
910c72df FS	239	if (ret == -1) {
	240	char buf[FIO_VERROR_SIZE];
	241	int e = errno;
	242
	243	snprintf(buf, sizeof(buf), "delete(%s)", f->file_name);
	244	td_verror(td, e, buf);
	245	return 1;
	246	}
	247
	248	if (do_lat) {
	249	struct fc_data *data = td->io_ops_data;
	250	uint64_t nsec;
	251
	252	nsec = ntime_since_now(&start);
	253	add_clat_sample(td, data->stat_ddir, nsec, 0, 0, 0, 0);
	254	}
	255
	256	return 0;
	257	}
	258
	259	static int invalidate_do_nothing(struct thread_data td, struct fio_file f)
	260	{
	261	/* do nothing because file not opened */
	262	return 0;
	263	}
	264
	265	static enum fio_q_status queue_io(struct thread_data td, struct io_u io_u)
	266	{
	267	return FIO_Q_COMPLETED;
	268	}
	269
	270	/*
	271	* Ensure that we at least have a block size worth of IO to do for each
	272	* file. If the job file has td->o.size < nr_files * block_size, then
	273	* fio won't do anything.
	274	*/
	275	static int get_file_size(struct thread_data td, struct fio_file f)
	276	{
	277	f->real_file_size = td_min_bs(td);
	278	return 0;
	279	}
	280
	281	static int init(struct thread_data *td)
	282	{
	283	struct fc_data *data;
	284
	285	data = calloc(1, sizeof(*data));
	286
	287	if (td_read(td))
	288	data->stat_ddir = DDIR_READ;
	289	else if (td_write(td))
	290	data->stat_ddir = DDIR_WRITE;
	291
a7a817a2	292	data->op_engine = UNKNOWN_OP_ENGINE;
	293
	294	if (!strncmp(td->o.ioengine, "file", 4)) {
	295	data->op_engine = FILE_OP_ENGINE;
	296	dprint(FD_FILE, "Operate engine type: file\n");
	297	}
	298	if (!strncmp(td->o.ioengine, "dir", 3)) {
	299	data->op_engine = DIR_OP_ENGINE;
	300	dprint(FD_FILE, "Operate engine type: directory\n");
	301	}
	302
910c72df FS	303	td->io_ops_data = data;
	304	return 0;
	305	}
	306
	307	static void cleanup(struct thread_data *td)
	308	{
	309	struct fc_data *data = td->io_ops_data;
	310
	311	free(data);
	312	}
	313
a7a817a2	314	static int remove_dir(struct thread_data td, struct fio_file f)
	315	{
	316	dprint(FD_FILE, "remove directory %s\n", f->file_name);
	317	return rmdir(f->file_name);
	318	}
	319
910c72df FS	320	static struct ioengine_ops ioengine_filecreate = {
	321	.name = "filecreate",
	322	.version = FIO_IOOPS_VERSION,
	323	.init = init,
	324	.cleanup = cleanup,
	325	.queue = queue_io,
	326	.get_file_size = get_file_size,
	327	.open_file = open_file,
	328	.close_file = generic_close_file,
	329	.flags = FIO_DISKLESSIO \| FIO_SYNCIO \| FIO_FAKEIO \|
	330	FIO_NOSTATS \| FIO_NOFILEHASH,
	331	};
	332
	333	static struct ioengine_ops ioengine_filestat = {
	334	.name = "filestat",
	335	.version = FIO_IOOPS_VERSION,
	336	.init = init,
	337	.cleanup = cleanup,
	338	.queue = queue_io,
	339	.invalidate = invalidate_do_nothing,
	340	.get_file_size = generic_get_file_size,
	341	.open_file = stat_file,
	342	.flags = FIO_SYNCIO \| FIO_FAKEIO \|
	343	FIO_NOSTATS \| FIO_NOFILEHASH,
	344	.options = options,
	345	.option_struct_size = sizeof(struct filestat_options),
	346	};
	347
	348	static struct ioengine_ops ioengine_filedelete = {
	349	.name = "filedelete",
	350	.version = FIO_IOOPS_VERSION,
	351	.init = init,
	352	.invalidate = invalidate_do_nothing,
	353	.cleanup = cleanup,
	354	.queue = queue_io,
	355	.get_file_size = generic_get_file_size,
	356	.open_file = delete_file,
	357	.flags = FIO_SYNCIO \| FIO_FAKEIO \|
	358	FIO_NOSTATS \| FIO_NOFILEHASH,
	359	};
	360
a7a817a2	361	static struct ioengine_ops ioengine_dircreate = {
	362	.name = "dircreate",
	363	.version = FIO_IOOPS_VERSION,
	364	.init = init,
	365	.cleanup = cleanup,
	366	.queue = queue_io,
	367	.get_file_size = get_file_size,
	368	.open_file = open_file,
	369	.close_file = generic_close_file,
	370	.unlink_file = remove_dir,
	371	.flags = FIO_DISKLESSIO \| FIO_SYNCIO \| FIO_FAKEIO \|
	372	FIO_NOSTATS \| FIO_NOFILEHASH,
	373	};
	374
	375	static struct ioengine_ops ioengine_dirstat = {
	376	.name = "dirstat",
	377	.version = FIO_IOOPS_VERSION,
	378	.setup = setup_dirs,
	379	.init = init,
	380	.cleanup = cleanup,
	381	.queue = queue_io,
	382	.invalidate = invalidate_do_nothing,
	383	.get_file_size = generic_get_file_size,
	384	.open_file = stat_file,
	385	.unlink_file = remove_dir,
	386	.flags = FIO_DISKLESSIO \| FIO_SYNCIO \| FIO_FAKEIO \|
	387	FIO_NOSTATS \| FIO_NOFILEHASH,
	388	.options = options,
	389	.option_struct_size = sizeof(struct filestat_options),
	390	};
	391
	392	static struct ioengine_ops ioengine_dirdelete = {
	393	.name = "dirdelete",
	394	.version = FIO_IOOPS_VERSION,
	395	.setup = setup_dirs,
	396	.init = init,
	397	.invalidate = invalidate_do_nothing,
	398	.cleanup = cleanup,
	399	.queue = queue_io,
	400	.get_file_size = get_file_size,
	401	.open_file = delete_file,
	402	.unlink_file = remove_dir,
	403	.flags = FIO_DISKLESSIO \| FIO_SYNCIO \| FIO_FAKEIO \|
	404	FIO_NOSTATS \| FIO_NOFILEHASH,
	405	};
	406
910c72df FS	407	static void fio_init fio_fileoperations_register(void)
	408	{
	409	register_ioengine(&ioengine_filecreate);
	410	register_ioengine(&ioengine_filestat);
	411	register_ioengine(&ioengine_filedelete);
a7a817a2	412	register_ioengine(&ioengine_dircreate);
	413	register_ioengine(&ioengine_dirstat);
	414	register_ioengine(&ioengine_dirdelete);
910c72df FS	415	}
	416
	417	static void fio_exit fio_fileoperations_unregister(void)
	418	{
	419	unregister_ioengine(&ioengine_filecreate);
	420	unregister_ioengine(&ioengine_filestat);
	421	unregister_ioengine(&ioengine_filedelete);
a7a817a2	422	unregister_ioengine(&ioengine_dircreate);
	423	unregister_ioengine(&ioengine_dirstat);
	424	unregister_ioengine(&ioengine_dirdelete);
910c72df	425	}