1 // SPDX-License-Identifier: GPL-2.0-or-later
20 	/* all 32-bit counters here */
37 	/* all 64-bit items here */
43 	/* non-counter state must go at the end for clearall */
88 	struct xchk_stats	*cs,  in xchk_stats_format()  argument
92 	struct xchk_scrub_stats	*css = &cs->cs_stats[0];  in xchk_stats_format()
94 	ssize_t			copied = 0;  in xchk_stats_format()
95 	int			ret = 0;  in xchk_stats_format()
97 	for (i = 0; i < XFS_SCRUB_TYPE_NR; i++, css++) {  in xchk_stats_format()
104 				(unsigned int)css->invocations,  in xchk_stats_format()
105 				(unsigned int)css->clean,  in xchk_stats_format()
106 				(unsigned int)css->corrupt,  in xchk_stats_format()
107 				(unsigned int)css->preen,  in xchk_stats_format()
108 				(unsigned int)css->xfail,  in xchk_stats_format()
109 				(unsigned int)css->xcorrupt,  in xchk_stats_format()
110 				(unsigned int)css->incomplete,  in xchk_stats_format()
111 				(unsigned int)css->warning,  in xchk_stats_format()
112 				(unsigned int)css->retries,  in xchk_stats_format()
113 				(unsigned long long)css->checktime_us,  in xchk_stats_format()
114 				(unsigned int)css->repair_invocations,  in xchk_stats_format()
115 				(unsigned int)css->repair_success,  in xchk_stats_format()
116 				(unsigned long long)css->repairtime_us);  in xchk_stats_format()
117 		if (ret <= 0)  in xchk_stats_format()
120 		remaining -= ret;  in xchk_stats_format()
125 	return copied > 0 ? copied : ret;  in xchk_stats_format()
131 	struct xchk_stats	*cs)  in xchk_stats_estimate_bufsize()  argument
133 	struct xchk_scrub_stats	*css = &cs->cs_stats[0];  in xchk_stats_estimate_bufsize()
136 	size_t			ret = 0;  in xchk_stats_estimate_bufsize()
143 	field_width += 21 * ((offsetof(struct xchk_scrub_stats, css_lock) -  in xchk_stats_estimate_bufsize()
147 	for (i = 0; i < XFS_SCRUB_TYPE_NR; i++, css++) {  in xchk_stats_estimate_bufsize()
164 	struct xchk_stats	*cs)  in xchk_stats_clearall()  argument
166 	struct xchk_scrub_stats	*css = &cs->cs_stats[0];  in xchk_stats_clearall()
169 	for (i = 0; i < XFS_SCRUB_TYPE_NR; i++, css++) {  in xchk_stats_clearall()
170 		spin_lock(&css->css_lock);  in xchk_stats_clearall()
171 		memset(css, 0, offsetof(struct xchk_scrub_stats, css_lock));  in xchk_stats_clearall()
172 		spin_unlock(&css->css_lock);  in xchk_stats_clearall()
185 	struct xchk_stats		*cs,  in xchk_stats_merge_one()  argument
191 	if (sm->sm_type >= XFS_SCRUB_TYPE_NR) {  in xchk_stats_merge_one()
192 		ASSERT(sm->sm_type < XFS_SCRUB_TYPE_NR);  in xchk_stats_merge_one()
196 	css = &cs->cs_stats[sm->sm_type];  in xchk_stats_merge_one()
197 	spin_lock(&css->css_lock);  in xchk_stats_merge_one()
198 	css->invocations++;  in xchk_stats_merge_one()
199 	if (!(sm->sm_flags & XFS_SCRUB_OFLAG_UNCLEAN))  in xchk_stats_merge_one()
200 		css->clean++;  in xchk_stats_merge_one()
201 	if (sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)  in xchk_stats_merge_one()
202 		css->corrupt++;  in xchk_stats_merge_one()
203 	if (sm->sm_flags & XFS_SCRUB_OFLAG_PREEN)  in xchk_stats_merge_one()
204 		css->preen++;  in xchk_stats_merge_one()
205 	if (sm->sm_flags & XFS_SCRUB_OFLAG_XFAIL)  in xchk_stats_merge_one()
206 		css->xfail++;  in xchk_stats_merge_one()
207 	if (sm->sm_flags & XFS_SCRUB_OFLAG_XCORRUPT)  in xchk_stats_merge_one()
208 		css->xcorrupt++;  in xchk_stats_merge_one()
209 	if (sm->sm_flags & XFS_SCRUB_OFLAG_INCOMPLETE)  in xchk_stats_merge_one()
210 		css->incomplete++;  in xchk_stats_merge_one()
211 	if (sm->sm_flags & XFS_SCRUB_OFLAG_WARNING)  in xchk_stats_merge_one()
212 		css->warning++;  in xchk_stats_merge_one()
213 	css->retries += run->retries;  in xchk_stats_merge_one()
214 	css->checktime_us += howmany_64(run->scrub_ns, NSEC_PER_USEC);  in xchk_stats_merge_one()
216 	if (run->repair_attempted)  in xchk_stats_merge_one()
217 		css->repair_invocations++;  in xchk_stats_merge_one()
218 	if (run->repair_succeeded)  in xchk_stats_merge_one()
219 		css->repair_success++;  in xchk_stats_merge_one()
220 	css->repairtime_us += howmany_64(run->repair_ns, NSEC_PER_USEC);  in xchk_stats_merge_one()
221 	spin_unlock(&css->css_lock);  in xchk_stats_merge_one()
224 /* Merge these scrub-run stats into the global and mount stat data. */
232 	xchk_stats_merge_one(mp->m_scrub_stats, sm, run);  in xchk_stats_merge()
244 	struct xchk_stats	*cs = file->private_data;  in xchk_scrub_stats_read()  local
252 	 * If the file position is greater than 0, return a short read.  in xchk_scrub_stats_read()
254 	if (*ppos > 0)  in xchk_scrub_stats_read()
255 		return 0;  in xchk_scrub_stats_read()
257 	bufsize = xchk_stats_estimate_bufsize(cs);  in xchk_scrub_stats_read()
261 		return -ENOMEM;  in xchk_scrub_stats_read()
263 	avail = xchk_stats_format(cs, buf, bufsize);  in xchk_scrub_stats_read()
264 	if (avail < 0) {  in xchk_scrub_stats_read()
287 	struct xchk_stats	*cs = file->private_data;  in xchk_clear_scrub_stats_write()  local
291 	ret = kstrtouint_from_user(ubuf, count, 0, &val);  in xchk_clear_scrub_stats_write()
296 		return -EINVAL;  in xchk_clear_scrub_stats_write()
298 	xchk_stats_clearall(cs);  in xchk_clear_scrub_stats_write()
310 	struct xchk_stats	*cs,  in xchk_stats_init()  argument
313 	struct xchk_scrub_stats	*css = &cs->cs_stats[0];  in xchk_stats_init()
316 	for (i = 0; i < XFS_SCRUB_TYPE_NR; i++, css++)  in xchk_stats_init()
317 		spin_lock_init(&css->css_lock);  in xchk_stats_init()
319 	return 0;  in xchk_stats_init()
325 	struct xchk_stats	*cs,  in xchk_stats_register()  argument
331 	cs->cs_debugfs = xfs_debugfs_mkdir("scrub", parent);  in xchk_stats_register()
332 	if (!cs->cs_debugfs)  in xchk_stats_register()
335 	debugfs_create_file("stats", 0444, cs->cs_debugfs, cs,  in xchk_stats_register()
337 	debugfs_create_file("clear_stats", 0200, cs->cs_debugfs, cs,  in xchk_stats_register()
344 	struct xchk_stats	*cs)  in xchk_stats_teardown()  argument
346 	return 0;  in xchk_stats_teardown()
352 	struct xchk_stats	*cs)  in xchk_stats_unregister()  argument
354 	debugfs_remove(cs->cs_debugfs);  in xchk_stats_unregister()
369 	return 0;  in xchk_global_stats_setup()
380 /* Allocate per-mount stats */
385 	struct xchk_stats	*cs;  in xchk_mount_stats_alloc()  local
388 	cs = kvzalloc(sizeof(struct xchk_stats), GFP_KERNEL);  in xchk_mount_stats_alloc()
389 	if (!cs)  in xchk_mount_stats_alloc()
390 		return -ENOMEM;  in xchk_mount_stats_alloc()
392 	error = xchk_stats_init(cs, mp);  in xchk_mount_stats_alloc()
396 	mp->m_scrub_stats = cs;  in xchk_mount_stats_alloc()
397 	return 0;  in xchk_mount_stats_alloc()
399 	kvfree(cs);  in xchk_mount_stats_alloc()
403 /* Free per-mount stats */
408 	xchk_stats_teardown(mp->m_scrub_stats);  in xchk_mount_stats_free()
409 	kvfree(mp->m_scrub_stats);  in xchk_mount_stats_free()
410 	mp->m_scrub_stats = NULL;  in xchk_mount_stats_free()