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bcache: do not check if debug dentry is ERR or NULL explicitly on remove 

debugfs_remove and debugfs_remove_recursive will check if the dentry
pointer is NULL or ERR, and will do nothing in that case.

Remove the check in cache_set_free and bch_debug_init.

Signed-off-by: Shenghui Wang <shhuiw@foxmail.com>
Signed-off-by: Coly Li <colyli@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
hifive-unleashed-5.1
Shenghui Wang 2018-12-13 22:53:47 +08:00 committed by Jens Axboe
parent d2f96f487f
commit ae17102316
2 changed files with 2 additions and 4 deletions
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3
drivers/md/bcache/debug.c
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@ -249,8 +249,7 @@ void bch_debug_init_cache_set(struct cache_set *c)
void bch_debug_exit(void)
{
if (!IS_ERR_OR_NULL(bcache_debug))
debugfs_remove_recursive(bcache_debug);
debugfs_remove_recursive(bcache_debug);
}
void __init bch_debug_init(void)

3
drivers/md/bcache/super.c
View File

@ -1510,8 +1510,7 @@ static void cache_set_free(struct closure *cl)
struct cache *ca;
unsigned int i;
if (!IS_ERR_OR_NULL(c->debug))
debugfs_remove(c->debug);
debugfs_remove(c->debug);
bch_open_buckets_free(c);
bch_btree_cache_free(c);