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path: root/drivers/md/bcache/super.c
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Diffstat (limited to 'drivers/md/bcache/super.c')
-rw-r--r--drivers/md/bcache/super.c123
1 files changed, 62 insertions, 61 deletions
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index d98354fa28e3..467149f3bcc5 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -89,7 +89,7 @@ static const char *read_super(struct cache_sb *sb, struct block_device *bdev,
for (i = 0; i < SB_JOURNAL_BUCKETS; i++)
sb->d[i] = le64_to_cpu(s->d[i]);
- pr_debug("read sb version %llu, flags %llu, seq %llu, journal size %u",
+ pr_debug("read sb version %llu, flags %llu, seq %llu, journal size %u\n",
sb->version, sb->flags, sb->seq, sb->keys);
err = "Not a bcache superblock (bad offset)";
@@ -234,7 +234,7 @@ static void __write_super(struct cache_sb *sb, struct cache_sb_disk *out,
out->csum = csum_set(out);
- pr_debug("ver %llu, flags %llu, seq %llu",
+ pr_debug("ver %llu, flags %llu, seq %llu\n",
sb->version, sb->flags, sb->seq);
submit_bio(bio);
@@ -365,11 +365,11 @@ static void uuid_io(struct cache_set *c, int op, unsigned long op_flags,
}
bch_extent_to_text(buf, sizeof(buf), k);
- pr_debug("%s UUIDs at %s", op == REQ_OP_WRITE ? "wrote" : "read", buf);
+ pr_debug("%s UUIDs at %s\n", op == REQ_OP_WRITE ? "wrote" : "read", buf);
for (u = c->uuids; u < c->uuids + c->nr_uuids; u++)
if (!bch_is_zero(u->uuid, 16))
- pr_debug("Slot %zi: %pU: %s: 1st: %u last: %u inv: %u",
+ pr_debug("Slot %zi: %pU: %s: 1st: %u last: %u inv: %u\n",
u - c->uuids, u->uuid, u->label,
u->first_reg, u->last_reg, u->invalidated);
@@ -534,7 +534,7 @@ int bch_prio_write(struct cache *ca, bool wait)
struct bucket *b;
struct closure cl;
- pr_debug("free_prio=%zu, free_none=%zu, free_inc=%zu",
+ pr_debug("free_prio=%zu, free_none=%zu, free_inc=%zu\n",
fifo_used(&ca->free[RESERVE_PRIO]),
fifo_used(&ca->free[RESERVE_NONE]),
fifo_used(&ca->free_inc));
@@ -629,12 +629,12 @@ static int prio_read(struct cache *ca, uint64_t bucket)
if (p->csum !=
bch_crc64(&p->magic, bucket_bytes(ca) - 8)) {
- pr_warn("bad csum reading priorities");
+ pr_warn("bad csum reading priorities\n");
goto out;
}
if (p->magic != pset_magic(&ca->sb)) {
- pr_warn("bad magic reading priorities");
+ pr_warn("bad magic reading priorities\n");
goto out;
}
@@ -728,11 +728,11 @@ static void bcache_device_link(struct bcache_device *d, struct cache_set *c,
ret = sysfs_create_link(&d->kobj, &c->kobj, "cache");
if (ret < 0)
- pr_err("Couldn't create device -> cache set symlink");
+ pr_err("Couldn't create device -> cache set symlink\n");
ret = sysfs_create_link(&c->kobj, &d->kobj, d->name);
if (ret < 0)
- pr_err("Couldn't create cache set -> device symlink");
+ pr_err("Couldn't create cache set -> device symlink\n");
clear_bit(BCACHE_DEV_UNLINK_DONE, &d->flags);
}
@@ -789,9 +789,9 @@ static void bcache_device_free(struct bcache_device *d)
lockdep_assert_held(&bch_register_lock);
if (disk)
- pr_info("%s stopped", disk->disk_name);
+ pr_info("%s stopped\n", disk->disk_name);
else
- pr_err("bcache device (NULL gendisk) stopped");
+ pr_err("bcache device (NULL gendisk) stopped\n");
if (d->c)
bcache_device_detach(d);
@@ -830,7 +830,7 @@ static int bcache_device_init(struct bcache_device *d, unsigned int block_size,
d->nr_stripes = DIV_ROUND_UP_ULL(sectors, d->stripe_size);
if (!d->nr_stripes || d->nr_stripes > max_stripes) {
- pr_err("nr_stripes too large or invalid: %u (start sector beyond end of disk?)",
+ pr_err("nr_stripes too large or invalid: %u (start sector beyond end of disk?)\n",
(unsigned int)d->nr_stripes);
return -ENOMEM;
}
@@ -928,11 +928,11 @@ static int cached_dev_status_update(void *arg)
dc->offline_seconds = 0;
if (dc->offline_seconds >= BACKING_DEV_OFFLINE_TIMEOUT) {
- pr_err("%s: device offline for %d seconds",
+ pr_err("%s: device offline for %d seconds\n",
dc->backing_dev_name,
BACKING_DEV_OFFLINE_TIMEOUT);
- pr_err("%s: disable I/O request due to backing "
- "device offline", dc->disk.name);
+ pr_err("%s: disable I/O request due to backing device offline\n",
+ dc->disk.name);
dc->io_disable = true;
/* let others know earlier that io_disable is true */
smp_mb();
@@ -959,7 +959,7 @@ int bch_cached_dev_run(struct cached_dev *dc)
};
if (dc->io_disable) {
- pr_err("I/O disabled on cached dev %s",
+ pr_err("I/O disabled on cached dev %s\n",
dc->backing_dev_name);
kfree(env[1]);
kfree(env[2]);
@@ -971,7 +971,7 @@ int bch_cached_dev_run(struct cached_dev *dc)
kfree(env[1]);
kfree(env[2]);
kfree(buf);
- pr_info("cached dev %s is running already",
+ pr_info("cached dev %s is running already\n",
dc->backing_dev_name);
return -EBUSY;
}
@@ -1001,16 +1001,14 @@ int bch_cached_dev_run(struct cached_dev *dc)
if (sysfs_create_link(&d->kobj, &disk_to_dev(d->disk)->kobj, "dev") ||
sysfs_create_link(&disk_to_dev(d->disk)->kobj,
&d->kobj, "bcache")) {
- pr_err("Couldn't create bcache dev <-> disk sysfs symlinks");
+ pr_err("Couldn't create bcache dev <-> disk sysfs symlinks\n");
return -ENOMEM;
}
dc->status_update_thread = kthread_run(cached_dev_status_update,
dc, "bcache_status_update");
if (IS_ERR(dc->status_update_thread)) {
- pr_warn("failed to create bcache_status_update kthread, "
- "continue to run without monitoring backing "
- "device status");
+ pr_warn("failed to create bcache_status_update kthread, continue to run without monitoring backing device status\n");
}
return 0;
@@ -1036,7 +1034,7 @@ static void cancel_writeback_rate_update_dwork(struct cached_dev *dc)
} while (time_out > 0);
if (time_out == 0)
- pr_warn("give up waiting for dc->writeback_write_update to quit");
+ pr_warn("give up waiting for dc->writeback_write_update to quit\n");
cancel_delayed_work_sync(&dc->writeback_rate_update);
}
@@ -1077,7 +1075,7 @@ static void cached_dev_detach_finish(struct work_struct *w)
mutex_unlock(&bch_register_lock);
- pr_info("Caching disabled for %s", dc->backing_dev_name);
+ pr_info("Caching disabled for %s\n", dc->backing_dev_name);
/* Drop ref we took in cached_dev_detach() */
closure_put(&dc->disk.cl);
@@ -1117,20 +1115,20 @@ int bch_cached_dev_attach(struct cached_dev *dc, struct cache_set *c,
return -ENOENT;
if (dc->disk.c) {
- pr_err("Can't attach %s: already attached",
+ pr_err("Can't attach %s: already attached\n",
dc->backing_dev_name);
return -EINVAL;
}
if (test_bit(CACHE_SET_STOPPING, &c->flags)) {
- pr_err("Can't attach %s: shutting down",
+ pr_err("Can't attach %s: shutting down\n",
dc->backing_dev_name);
return -EINVAL;
}
if (dc->sb.block_size < c->sb.block_size) {
/* Will die */
- pr_err("Couldn't attach %s: block size less than set's block size",
+ pr_err("Couldn't attach %s: block size less than set's block size\n",
dc->backing_dev_name);
return -EINVAL;
}
@@ -1138,7 +1136,7 @@ int bch_cached_dev_attach(struct cached_dev *dc, struct cache_set *c,
/* Check whether already attached */
list_for_each_entry_safe(exist_dc, t, &c->cached_devs, list) {
if (!memcmp(dc->sb.uuid, exist_dc->sb.uuid, 16)) {
- pr_err("Tried to attach %s but duplicate UUID already attached",
+ pr_err("Tried to attach %s but duplicate UUID already attached\n",
dc->backing_dev_name);
return -EINVAL;
@@ -1157,14 +1155,14 @@ int bch_cached_dev_attach(struct cached_dev *dc, struct cache_set *c,
if (!u) {
if (BDEV_STATE(&dc->sb) == BDEV_STATE_DIRTY) {
- pr_err("Couldn't find uuid for %s in set",
+ pr_err("Couldn't find uuid for %s in set\n",
dc->backing_dev_name);
return -ENOENT;
}
u = uuid_find_empty(c);
if (!u) {
- pr_err("Not caching %s, no room for UUID",
+ pr_err("Not caching %s, no room for UUID\n",
dc->backing_dev_name);
return -EINVAL;
}
@@ -1210,7 +1208,7 @@ int bch_cached_dev_attach(struct cached_dev *dc, struct cache_set *c,
down_write(&dc->writeback_lock);
if (bch_cached_dev_writeback_start(dc)) {
up_write(&dc->writeback_lock);
- pr_err("Couldn't start writeback facilities for %s",
+ pr_err("Couldn't start writeback facilities for %s\n",
dc->disk.disk->disk_name);
return -ENOMEM;
}
@@ -1233,7 +1231,7 @@ int bch_cached_dev_attach(struct cached_dev *dc, struct cache_set *c,
*/
kthread_stop(dc->writeback_thread);
cancel_writeback_rate_update_dwork(dc);
- pr_err("Couldn't run cached device %s",
+ pr_err("Couldn't run cached device %s\n",
dc->backing_dev_name);
return ret;
}
@@ -1244,7 +1242,7 @@ int bch_cached_dev_attach(struct cached_dev *dc, struct cache_set *c,
/* Allow the writeback thread to proceed */
up_write(&dc->writeback_lock);
- pr_info("Caching %s as %s on set %pU",
+ pr_info("Caching %s as %s on set %pU\n",
dc->backing_dev_name,
dc->disk.disk->disk_name,
dc->disk.c->sb.set_uuid);
@@ -1384,7 +1382,7 @@ static int register_bdev(struct cache_sb *sb, struct cache_sb_disk *sb_disk,
if (bch_cache_accounting_add_kobjs(&dc->accounting, &dc->disk.kobj))
goto err;
- pr_info("registered backing device %s", dc->backing_dev_name);
+ pr_info("registered backing device %s\n", dc->backing_dev_name);
list_add(&dc->list, &uncached_devices);
/* attach to a matched cache set if it exists */
@@ -1401,7 +1399,7 @@ static int register_bdev(struct cache_sb *sb, struct cache_sb_disk *sb_disk,
return 0;
err:
- pr_notice("error %s: %s", dc->backing_dev_name, err);
+ pr_notice("error %s: %s\n", dc->backing_dev_name, err);
bcache_device_stop(&dc->disk);
return ret;
}
@@ -1497,7 +1495,7 @@ int bch_flash_dev_create(struct cache_set *c, uint64_t size)
u = uuid_find_empty(c);
if (!u) {
- pr_err("Can't create volume, no room for UUID");
+ pr_err("Can't create volume, no room for UUID\n");
return -EINVAL;
}
@@ -1523,7 +1521,7 @@ bool bch_cached_dev_error(struct cached_dev *dc)
smp_mb();
pr_err("stop %s: too many IO errors on backing device %s\n",
- dc->disk.disk->disk_name, dc->backing_dev_name);
+ dc->disk.disk->disk_name, dc->backing_dev_name);
bcache_device_stop(&dc->disk);
return true;
@@ -1534,6 +1532,7 @@ bool bch_cached_dev_error(struct cached_dev *dc)
__printf(2, 3)
bool bch_cache_set_error(struct cache_set *c, const char *fmt, ...)
{
+ struct va_format vaf;
va_list args;
if (c->on_error != ON_ERROR_PANIC &&
@@ -1541,20 +1540,22 @@ bool bch_cache_set_error(struct cache_set *c, const char *fmt, ...)
return false;
if (test_and_set_bit(CACHE_SET_IO_DISABLE, &c->flags))
- pr_info("CACHE_SET_IO_DISABLE already set");
+ pr_info("CACHE_SET_IO_DISABLE already set\n");
/*
* XXX: we can be called from atomic context
* acquire_console_sem();
*/
- pr_err("bcache: error on %pU: ", c->sb.set_uuid);
-
va_start(args, fmt);
- vprintk(fmt, args);
- va_end(args);
- pr_err(", disabling caching\n");
+ vaf.fmt = fmt;
+ vaf.va = &args;
+
+ pr_err("error on %pU: %pV, disabling caching\n",
+ c->sb.set_uuid, &vaf);
+
+ va_end(args);
if (c->on_error == ON_ERROR_PANIC)
panic("panic forced after error\n");
@@ -1606,7 +1607,7 @@ static void cache_set_free(struct closure *cl)
list_del(&c->list);
mutex_unlock(&bch_register_lock);
- pr_info("Cache set %pU unregistered", c->sb.set_uuid);
+ pr_info("Cache set %pU unregistered\n", c->sb.set_uuid);
wake_up(&unregister_wait);
closure_debug_destroy(&c->cl);
@@ -1677,7 +1678,7 @@ static void conditional_stop_bcache_device(struct cache_set *c,
struct cached_dev *dc)
{
if (dc->stop_when_cache_set_failed == BCH_CACHED_DEV_STOP_ALWAYS) {
- pr_warn("stop_when_cache_set_failed of %s is \"always\", stop it for failed cache set %pU.",
+ pr_warn("stop_when_cache_set_failed of %s is \"always\", stop it for failed cache set %pU.\n",
d->disk->disk_name, c->sb.set_uuid);
bcache_device_stop(d);
} else if (atomic_read(&dc->has_dirty)) {
@@ -1685,7 +1686,7 @@ static void conditional_stop_bcache_device(struct cache_set *c,
* dc->stop_when_cache_set_failed == BCH_CACHED_STOP_AUTO
* and dc->has_dirty == 1
*/
- pr_warn("stop_when_cache_set_failed of %s is \"auto\" and cache is dirty, stop it to avoid potential data corruption.",
+ pr_warn("stop_when_cache_set_failed of %s is \"auto\" and cache is dirty, stop it to avoid potential data corruption.\n",
d->disk->disk_name);
/*
* There might be a small time gap that cache set is
@@ -1707,7 +1708,7 @@ static void conditional_stop_bcache_device(struct cache_set *c,
* dc->stop_when_cache_set_failed == BCH_CACHED_STOP_AUTO
* and dc->has_dirty == 0
*/
- pr_warn("stop_when_cache_set_failed of %s is \"auto\" and cache is clean, keep it alive.",
+ pr_warn("stop_when_cache_set_failed of %s is \"auto\" and cache is clean, keep it alive.\n",
d->disk->disk_name);
}
}
@@ -1874,7 +1875,7 @@ static int run_cache_set(struct cache_set *c)
if (bch_journal_read(c, &journal))
goto err;
- pr_debug("btree_journal_read() done");
+ pr_debug("btree_journal_read() done\n");
err = "no journal entries found";
if (list_empty(&journal))
@@ -1920,7 +1921,7 @@ static int run_cache_set(struct cache_set *c)
bch_journal_mark(c, &journal);
bch_initial_gc_finish(c);
- pr_debug("btree_check() done");
+ pr_debug("btree_check() done\n");
/*
* bcache_journal_next() can't happen sooner, or
@@ -1951,7 +1952,7 @@ static int run_cache_set(struct cache_set *c)
if (bch_journal_replay(c, &journal))
goto err;
} else {
- pr_notice("invalidating existing data");
+ pr_notice("invalidating existing data\n");
for_each_cache(ca, c, i) {
unsigned int j;
@@ -2085,7 +2086,7 @@ found:
memcpy(c->sb.set_uuid, ca->sb.set_uuid, 16);
c->sb.flags = ca->sb.flags;
c->sb.seq = ca->sb.seq;
- pr_debug("set version = %llu", c->sb.version);
+ pr_debug("set version = %llu\n", c->sb.version);
}
kobject_get(&ca->kobj);
@@ -2247,7 +2248,7 @@ err_btree_alloc:
err_free:
module_put(THIS_MODULE);
if (err)
- pr_notice("error %s: %s", ca->cache_dev_name, err);
+ pr_notice("error %s: %s\n", ca->cache_dev_name, err);
return ret;
}
@@ -2301,14 +2302,14 @@ static int register_cache(struct cache_sb *sb, struct cache_sb_disk *sb_disk,
goto out;
}
- pr_info("registered cache device %s", ca->cache_dev_name);
+ pr_info("registered cache device %s\n", ca->cache_dev_name);
out:
kobject_put(&ca->kobj);
err:
if (err)
- pr_notice("error %s: %s", ca->cache_dev_name, err);
+ pr_notice("error %s: %s\n", ca->cache_dev_name, err);
return ret;
}
@@ -2461,7 +2462,7 @@ out_free_path:
out_module_put:
module_put(THIS_MODULE);
out:
- pr_info("error %s: %s", path?path:"", err);
+ pr_info("error %s: %s\n", path?path:"", err);
return ret;
}
@@ -2506,7 +2507,7 @@ static ssize_t bch_pending_bdevs_cleanup(struct kobject *k,
mutex_unlock(&bch_register_lock);
list_for_each_entry_safe(pdev, tpdev, &pending_devs, list) {
- pr_info("delete pdev %p", pdev);
+ pr_info("delete pdev %p\n", pdev);
list_del(&pdev->list);
bcache_device_stop(&pdev->dc->disk);
kfree(pdev);
@@ -2549,7 +2550,7 @@ static int bcache_reboot(struct notifier_block *n, unsigned long code, void *x)
mutex_unlock(&bch_register_lock);
- pr_info("Stopping all devices:");
+ pr_info("Stopping all devices:\n");
/*
* The reason bch_register_lock is not held to call
@@ -2599,9 +2600,9 @@ static int bcache_reboot(struct notifier_block *n, unsigned long code, void *x)
finish_wait(&unregister_wait, &wait);
if (stopped)
- pr_info("All devices stopped");
+ pr_info("All devices stopped\n");
else
- pr_notice("Timeout waiting for devices to be closed");
+ pr_notice("Timeout waiting for devices to be closed\n");
out:
mutex_unlock(&bch_register_lock);
}
@@ -2637,7 +2638,7 @@ static void check_module_parameters(void)
if (bch_cutoff_writeback_sync == 0)
bch_cutoff_writeback_sync = CUTOFF_WRITEBACK_SYNC;
else if (bch_cutoff_writeback_sync > CUTOFF_WRITEBACK_SYNC_MAX) {
- pr_warn("set bch_cutoff_writeback_sync (%u) to max value %u",
+ pr_warn("set bch_cutoff_writeback_sync (%u) to max value %u\n",
bch_cutoff_writeback_sync, CUTOFF_WRITEBACK_SYNC_MAX);
bch_cutoff_writeback_sync = CUTOFF_WRITEBACK_SYNC_MAX;
}
@@ -2645,13 +2646,13 @@ static void check_module_parameters(void)
if (bch_cutoff_writeback == 0)
bch_cutoff_writeback = CUTOFF_WRITEBACK;
else if (bch_cutoff_writeback > CUTOFF_WRITEBACK_MAX) {
- pr_warn("set bch_cutoff_writeback (%u) to max value %u",
+ pr_warn("set bch_cutoff_writeback (%u) to max value %u\n",
bch_cutoff_writeback, CUTOFF_WRITEBACK_MAX);
bch_cutoff_writeback = CUTOFF_WRITEBACK_MAX;
}
if (bch_cutoff_writeback > bch_cutoff_writeback_sync) {
- pr_warn("set bch_cutoff_writeback (%u) to %u",
+ pr_warn("set bch_cutoff_writeback (%u) to %u\n",
bch_cutoff_writeback, bch_cutoff_writeback_sync);
bch_cutoff_writeback = bch_cutoff_writeback_sync;
}