UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

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: Coly Li <colyli@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Coly Li 2019-11-13 16:03:20 +08:00 committed by Jens Axboe
parent 41fa4deef9
commit 06c1526da9
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/md/bcache/bset.c
View File

@ -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);