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 */
85 	struct xchk_stats	*cs,  in xchk_stats_format()  argument
89 	struct xchk_scrub_stats	*css = &cs->cs_stats[0];  in xchk_stats_format()
91 	ssize_t			copied = 0;  in xchk_stats_format()
92 	int			ret = 0;  in xchk_stats_format()
94 	for (i = 0; i < XFS_SCRUB_TYPE_NR; i++, css++) {  in xchk_stats_format()
101 				(unsigned int)css->invocations,  in xchk_stats_format()
102 				(unsigned int)css->clean,  in xchk_stats_format()
103 				(unsigned int)css->corrupt,  in xchk_stats_format()
104 				(unsigned int)css->preen,  in xchk_stats_format()
105 				(unsigned int)css->xfail,  in xchk_stats_format()
106 				(unsigned int)css->xcorrupt,  in xchk_stats_format()
107 				(unsigned int)css->incomplete,  in xchk_stats_format()
108 				(unsigned int)css->warning,  in xchk_stats_format()
109 				(unsigned int)css->retries,  in xchk_stats_format()
110 				(unsigned long long)css->checktime_us,  in xchk_stats_format()
111 				(unsigned int)css->repair_invocations,  in xchk_stats_format()
112 				(unsigned int)css->repair_success,  in xchk_stats_format()
113 				(unsigned long long)css->repairtime_us);  in xchk_stats_format()
114 		if (ret <= 0)  in xchk_stats_format()
117 		remaining -= ret;  in xchk_stats_format()
122 	return copied > 0 ? copied : ret;  in xchk_stats_format()
128 	struct xchk_stats	*cs)  in xchk_stats_estimate_bufsize()  argument
130 	struct xchk_scrub_stats	*css = &cs->cs_stats[0];  in xchk_stats_estimate_bufsize()
133 	size_t			ret = 0;  in xchk_stats_estimate_bufsize()
140 	field_width += 21 * ((offsetof(struct xchk_scrub_stats, css_lock) -  in xchk_stats_estimate_bufsize()
144 	for (i = 0; i < XFS_SCRUB_TYPE_NR; i++, css++) {  in xchk_stats_estimate_bufsize()
161 	struct xchk_stats	*cs)  in xchk_stats_clearall()  argument
163 	struct xchk_scrub_stats	*css = &cs->cs_stats[0];  in xchk_stats_clearall()
166 	for (i = 0; i < XFS_SCRUB_TYPE_NR; i++, css++) {  in xchk_stats_clearall()
167 		spin_lock(&css->css_lock);  in xchk_stats_clearall()
168 		memset(css, 0, offsetof(struct xchk_scrub_stats, css_lock));  in xchk_stats_clearall()
169 		spin_unlock(&css->css_lock);  in xchk_stats_clearall()
182 	struct xchk_stats		*cs,  in xchk_stats_merge_one()  argument
188 	if (sm->sm_type >= XFS_SCRUB_TYPE_NR) {  in xchk_stats_merge_one()
189 		ASSERT(sm->sm_type < XFS_SCRUB_TYPE_NR);  in xchk_stats_merge_one()
193 	css = &cs->cs_stats[sm->sm_type];  in xchk_stats_merge_one()
194 	spin_lock(&css->css_lock);  in xchk_stats_merge_one()
195 	css->invocations++;  in xchk_stats_merge_one()
196 	if (!(sm->sm_flags & XFS_SCRUB_OFLAG_UNCLEAN))  in xchk_stats_merge_one()
197 		css->clean++;  in xchk_stats_merge_one()
198 	if (sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)  in xchk_stats_merge_one()
199 		css->corrupt++;  in xchk_stats_merge_one()
200 	if (sm->sm_flags & XFS_SCRUB_OFLAG_PREEN)  in xchk_stats_merge_one()
201 		css->preen++;  in xchk_stats_merge_one()
202 	if (sm->sm_flags & XFS_SCRUB_OFLAG_XFAIL)  in xchk_stats_merge_one()
203 		css->xfail++;  in xchk_stats_merge_one()
204 	if (sm->sm_flags & XFS_SCRUB_OFLAG_XCORRUPT)  in xchk_stats_merge_one()
205 		css->xcorrupt++;  in xchk_stats_merge_one()
206 	if (sm->sm_flags & XFS_SCRUB_OFLAG_INCOMPLETE)  in xchk_stats_merge_one()
207 		css->incomplete++;  in xchk_stats_merge_one()
208 	if (sm->sm_flags & XFS_SCRUB_OFLAG_WARNING)  in xchk_stats_merge_one()
209 		css->warning++;  in xchk_stats_merge_one()
210 	css->retries += run->retries;  in xchk_stats_merge_one()
211 	css->checktime_us += howmany_64(run->scrub_ns, NSEC_PER_USEC);  in xchk_stats_merge_one()
213 	if (run->repair_attempted)  in xchk_stats_merge_one()
214 		css->repair_invocations++;  in xchk_stats_merge_one()
215 	if (run->repair_succeeded)  in xchk_stats_merge_one()
216 		css->repair_success++;  in xchk_stats_merge_one()
217 	css->repairtime_us += howmany_64(run->repair_ns, NSEC_PER_USEC);  in xchk_stats_merge_one()
218 	spin_unlock(&css->css_lock);  in xchk_stats_merge_one()
221 /* Merge these scrub-run stats into the global and mount stat data. */
229 	xchk_stats_merge_one(mp->m_scrub_stats, sm, run);  in xchk_stats_merge()
241 	struct xchk_stats	*cs = file->private_data;  in xchk_scrub_stats_read()  local
249 	 * If the file position is greater than 0, return a short read.  in xchk_scrub_stats_read()
251 	if (*ppos > 0)  in xchk_scrub_stats_read()
252 		return 0;  in xchk_scrub_stats_read()
254 	bufsize = xchk_stats_estimate_bufsize(cs);  in xchk_scrub_stats_read()
258 		return -ENOMEM;  in xchk_scrub_stats_read()
260 	avail = xchk_stats_format(cs, buf, bufsize);  in xchk_scrub_stats_read()
261 	if (avail < 0) {  in xchk_scrub_stats_read()
284 	struct xchk_stats	*cs = file->private_data;  in xchk_clear_scrub_stats_write()  local
288 	ret = kstrtouint_from_user(ubuf, count, 0, &val);  in xchk_clear_scrub_stats_write()
293 		return -EINVAL;  in xchk_clear_scrub_stats_write()
295 	xchk_stats_clearall(cs);  in xchk_clear_scrub_stats_write()
307 	struct xchk_stats	*cs,  in xchk_stats_init()  argument
310 	struct xchk_scrub_stats	*css = &cs->cs_stats[0];  in xchk_stats_init()
313 	for (i = 0; i < XFS_SCRUB_TYPE_NR; i++, css++)  in xchk_stats_init()
314 		spin_lock_init(&css->css_lock);  in xchk_stats_init()
316 	return 0;  in xchk_stats_init()
322 	struct xchk_stats	*cs,  in xchk_stats_register()  argument
328 	cs->cs_debugfs = xfs_debugfs_mkdir("scrub", parent);  in xchk_stats_register()
329 	if (!cs->cs_debugfs)  in xchk_stats_register()
332 	debugfs_create_file("stats", 0644, cs->cs_debugfs, cs,  in xchk_stats_register()
334 	debugfs_create_file("clear_stats", 0400, cs->cs_debugfs, cs,  in xchk_stats_register()
341 	struct xchk_stats	*cs)  in xchk_stats_teardown()  argument
343 	return 0;  in xchk_stats_teardown()
349 	struct xchk_stats	*cs)  in xchk_stats_unregister()  argument
351 	debugfs_remove(cs->cs_debugfs);  in xchk_stats_unregister()
366 	return 0;  in xchk_global_stats_setup()
377 /* Allocate per-mount stats */
382 	struct xchk_stats	*cs;  in xchk_mount_stats_alloc()  local
385 	cs = kvzalloc(sizeof(struct xchk_stats), GFP_KERNEL);  in xchk_mount_stats_alloc()
386 	if (!cs)  in xchk_mount_stats_alloc()
387 		return -ENOMEM;  in xchk_mount_stats_alloc()
389 	error = xchk_stats_init(cs, mp);  in xchk_mount_stats_alloc()
393 	mp->m_scrub_stats = cs;  in xchk_mount_stats_alloc()
394 	return 0;  in xchk_mount_stats_alloc()
396 	kvfree(cs);  in xchk_mount_stats_alloc()
400 /* Free per-mount stats */
405 	xchk_stats_teardown(mp->m_scrub_stats);  in xchk_mount_stats_free()
406 	kvfree(mp->m_scrub_stats);  in xchk_mount_stats_free()
407 	mp->m_scrub_stats = NULL;  in xchk_mount_stats_free()