Commit 06c1526d authored by Coly Li's avatar Coly Li Committed by Jens Axboe
Browse files

bcache: add code comment bch_keylist_pop() and bch_keylist_pop_front() 



This patch adds simple code comments for bch_keylist_pop() and
bch_keylist_pop_front() in bset.c, to make the code more easier to
be understand.

Signed-off-by: default avatarColy Li <colyli@suse.de>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 41fa4dee

drivers/md/bcache/bset.c

+2 −0
Original line number Diff line number Diff line
@@ -155,6 +155,7 @@ int __bch_keylist_realloc(struct keylist *l, unsigned int u64s) 
	return 0;

}



/* Pop the top key of keylist by pointing l->top to its previous key */

struct bkey *bch_keylist_pop(struct keylist *l)

{

	struct bkey *k = l->keys;
@@ -168,6 +169,7 @@ struct bkey *bch_keylist_pop(struct keylist *l) 
	return l->top = k;

}



/* Pop the bottom key of keylist and update l->top_p */

void bch_keylist_pop_front(struct keylist *l)

{

	l->top_p -= bkey_u64s(l->keys);

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