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bcache: replace hard coded number with BUCKET_GC_GEN_MAX

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In extents.c:bch_extent_bad(), number 96 is used as parameter to call
btree_bug_on(). The purpose is to check whether stale gen value exceeds
BUCKET_GC_GEN_MAX, so it is better to use macro BUCKET_GC_GEN_MAX to
make the code more understandable.

Signed-off-by: Coly Li <colyli@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Coly Li 2018-10-08 20:41:18 +08:00 committed by Jens Axboe
parent 91bafdf081
commit 149d0efada
1 changed files with 1 additions and 1 deletions
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drivers/md/bcache/extents.c
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@ -553,7 +553,7 @@ static bool bch_extent_bad(struct btree_keys *bk, const struct bkey *k)
for (i = 0; i < KEY_PTRS(k); i++) { for (i = 0; i < KEY_PTRS(k); i++) {
stale = ptr_stale(b->c, k, i); stale = ptr_stale(b->c, k, i);
btree_bug_on(stale > 96, b, btree_bug_on(stale > BUCKET_GC_GEN_MAX, b,
"key too stale: %i, need_gc %u", "key too stale: %i, need_gc %u",
stale, b->c->need_gc); stale, b->c->need_gc);