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Diffstat (limited to 'drivers/md/bcache/sysfs.c')
-rw-r--r--drivers/md/bcache/sysfs.c36
1 files changed, 22 insertions, 14 deletions
diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c
index 81d3520b0702..150cf4f4cf74 100644
--- a/drivers/md/bcache/sysfs.c
+++ b/drivers/md/bcache/sysfs.c
@@ -130,8 +130,10 @@ rw_attribute(btree_shrinker_disabled);
rw_attribute(copy_gc_enabled);
rw_attribute(size);
-static ssize_t bch_snprint_string_list(char *buf, size_t size, const char * const list[],
- size_t selected)
+static ssize_t bch_snprint_string_list(char *buf,
+ size_t size,
+ const char * const list[],
+ size_t selected)
{
char *out = buf;
size_t i;
@@ -148,7 +150,7 @@ SHOW(__bch_cached_dev)
{
struct cached_dev *dc = container_of(kobj, struct cached_dev,
disk.kobj);
- const char *states[] = { "no cache", "clean", "dirty", "inconsistent" };
+ char const *states[] = { "no cache", "clean", "dirty", "inconsistent" };
int wb = dc->writeback_running;
#define var(stat) (dc->stat)
@@ -307,7 +309,7 @@ STORE(__cached_dev)
if (v < 0)
return v;
- if ((unsigned) v != BDEV_CACHE_MODE(&dc->sb)) {
+ if ((unsigned int) v != BDEV_CACHE_MODE(&dc->sb)) {
SET_BDEV_CACHE_MODE(&dc->sb, v);
bch_write_bdev_super(dc, NULL);
}
@@ -341,8 +343,9 @@ STORE(__cached_dev)
add_uevent_var(env, "DRIVER=bcache");
add_uevent_var(env, "CACHED_UUID=%pU", dc->sb.uuid),
add_uevent_var(env, "CACHED_LABEL=%s", buf);
- kobject_uevent_env(
- &disk_to_dev(dc->disk.disk)->kobj, KOBJ_CHANGE, env->envp);
+ kobject_uevent_env(&disk_to_dev(dc->disk.disk)->kobj,
+ KOBJ_CHANGE,
+ env->envp);
kfree(env);
}
@@ -459,6 +462,7 @@ STORE(__bch_flash_dev)
if (attr == &sysfs_size) {
uint64_t v;
+
strtoi_h_or_return(buf, v);
u->sectors = v >> 9;
@@ -533,9 +537,9 @@ static int bch_bset_print_stats(struct cache_set *c, char *buf)
op.stats.floats, op.stats.failed);
}
-static unsigned bch_root_usage(struct cache_set *c)
+static unsigned int bch_root_usage(struct cache_set *c)
{
- unsigned bytes = 0;
+ unsigned int bytes = 0;
struct bkey *k;
struct btree *b;
struct btree_iter iter;
@@ -570,9 +574,9 @@ static size_t bch_cache_size(struct cache_set *c)
return ret;
}
-static unsigned bch_cache_max_chain(struct cache_set *c)
+static unsigned int bch_cache_max_chain(struct cache_set *c)
{
- unsigned ret = 0;
+ unsigned int ret = 0;
struct hlist_head *h;
mutex_lock(&c->bucket_lock);
@@ -580,7 +584,7 @@ static unsigned bch_cache_max_chain(struct cache_set *c)
for (h = c->bucket_hash;
h < c->bucket_hash + (1 << BUCKET_HASH_BITS);
h++) {
- unsigned i = 0;
+ unsigned int i = 0;
struct hlist_node *p;
hlist_for_each(p, h)
@@ -593,13 +597,13 @@ static unsigned bch_cache_max_chain(struct cache_set *c)
return ret;
}
-static unsigned bch_btree_used(struct cache_set *c)
+static unsigned int bch_btree_used(struct cache_set *c)
{
return div64_u64(c->gc_stats.key_bytes * 100,
(c->gc_stats.nodes ?: 1) * btree_bytes(c));
}
-static unsigned bch_average_key_size(struct cache_set *c)
+static unsigned int bch_average_key_size(struct cache_set *c)
{
return c->gc_stats.nkeys
? div64_u64(c->gc_stats.data, c->gc_stats.nkeys)
@@ -703,6 +707,7 @@ STORE(__bch_cache_set)
if (attr == &sysfs_flash_vol_create) {
int r;
uint64_t v;
+
strtoi_h_or_return(buf, v);
r = bch_flash_dev_create(c, v);
@@ -736,6 +741,7 @@ STORE(__bch_cache_set)
if (attr == &sysfs_prune_cache) {
struct shrink_control sc;
+
sc.gfp_mask = GFP_KERNEL;
sc.nr_to_scan = strtoul_or_return(buf);
c->shrink.scan_objects(&c->shrink, &sc);
@@ -789,12 +795,14 @@ STORE_LOCKED(bch_cache_set)
SHOW(bch_cache_set_internal)
{
struct cache_set *c = container_of(kobj, struct cache_set, internal);
+
return bch_cache_set_show(&c->kobj, attr, buf);
}
STORE(bch_cache_set_internal)
{
struct cache_set *c = container_of(kobj, struct cache_set, internal);
+
return bch_cache_set_store(&c->kobj, attr, buf, size);
}
@@ -996,7 +1004,7 @@ STORE(__bch_cache)
if (v < 0)
return v;
- if ((unsigned) v != CACHE_REPLACEMENT(&ca->sb)) {
+ if ((unsigned int) v != CACHE_REPLACEMENT(&ca->sb)) {
mutex_lock(&ca->set->bucket_lock);
SET_CACHE_REPLACEMENT(&ca->sb, v);
mutex_unlock(&ca->set->bucket_lock);
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