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| author |   Coly Li <colyli@suse.de> | 2019-11-13 16:03:20 +0800 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2019-11-13 15:42:50 -0700 |
| commit | 06c1526da97dd0022973de3fc41b79b2d431b435 (patch) | |
| tree | b965276c7b36e454d278d1fe4af3dca060237201 /drivers/md/bcache/bset.c | |
| parent | bcache: deleted code comments for dead code in bch_data_insert_keys() (diff) | |
| download | linux-dev-06c1526da97dd0022973de3fc41b79b2d431b435.tar.xz linux-dev-06c1526da97dd0022973de3fc41b79b2d431b435.zip | |
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>
Diffstat (limited to 'drivers/md/bcache/bset.c')
| -rw-r--r-- | drivers/md/bcache/bset.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/md/bcache/bset.c b/drivers/md/bcache/bset.c index 08768796b543..f37a429f093d 100644 --- a/drivers/md/bcache/bset.c +++ b/drivers/md/bcache/bset.c @@ -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); |