debug.c (6f10f7d1b02b1bbc305f88d7696445dd38b13881) debug.c (1fae7cf05293d3a2c9e59c1bc59372322386467c)
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Assorted bcache debug code
4 *
5 * Copyright 2010, 2011 Kent Overstreet <kent.overstreet@gmail.com>
6 * Copyright 2012 Google, Inc.
7 */
8

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172{
173 struct dump_iterator *i = file->private_data;
174 ssize_t ret = 0;
175 char kbuf[80];
176
177 while (size) {
178 struct keybuf_key *w;
179 unsigned int bytes = min(i->bytes, size);
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Assorted bcache debug code
4 *
5 * Copyright 2010, 2011 Kent Overstreet <kent.overstreet@gmail.com>
6 * Copyright 2012 Google, Inc.
7 */
8

--- 163 unchanged lines hidden (view full) ---

172{
173 struct dump_iterator *i = file->private_data;
174 ssize_t ret = 0;
175 char kbuf[80];
176
177 while (size) {
178 struct keybuf_key *w;
179 unsigned int bytes = min(i->bytes, size);
180
181 int err = copy_to_user(buf, i->buf, bytes);
180 int err = copy_to_user(buf, i->buf, bytes);
181
182 if (err)
183 return err;
184
185 ret += bytes;
186 buf += bytes;
187 size -= bytes;
188 i->bytes -= bytes;
189 memmove(i->buf, i->buf + bytes, i->bytes);

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232 .read = bch_dump_read,
233 .release = bch_dump_release
234};
235
236void bch_debug_init_cache_set(struct cache_set *c)
237{
238 if (!IS_ERR_OR_NULL(bcache_debug)) {
239 char name[50];
182 if (err)
183 return err;
184
185 ret += bytes;
186 buf += bytes;
187 size -= bytes;
188 i->bytes -= bytes;
189 memmove(i->buf, i->buf + bytes, i->bytes);

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232 .read = bch_dump_read,
233 .release = bch_dump_release
234};
235
236void bch_debug_init_cache_set(struct cache_set *c)
237{
238 if (!IS_ERR_OR_NULL(bcache_debug)) {
239 char name[50];
240 snprintf(name, 50, "bcache-%pU", c->sb.set_uuid);
241
240
241 snprintf(name, 50, "bcache-%pU", c->sb.set_uuid);
242 c->debug = debugfs_create_file(name, 0400, bcache_debug, c,
243 &cache_set_debug_ops);
244 }
245}
246
247#endif
248
249void bch_debug_exit(void)

--- 14 unchanged lines hidden --- 		242 c->debug = debugfs_create_file(name, 0400, bcache_debug, c,
243 &cache_set_debug_ops);
244 }
245}
246
247#endif
248
249void bch_debug_exit(void)

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