bcache: Fix building error on MIPS

This patch try to fix the building error on MIPS. The reason is MIPS
has already defined the PTR macro, which conflicts with the PTR macro
in include/uapi/linux/bcache.h.

[fixed by mlyle: corrected a line-length issue]

Cc: stable@vger.kernel.org
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Reviewed-by: Michael Lyle <mlyle@lyle.org>
Signed-off-by: Michael Lyle <mlyle@lyle.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Huacai Chen 2017-11-24 15:14:25 -08:00 committed by Jens Axboe
parent bb22cafd75
commit cf33c1ee52
4 changed files with 4 additions and 4 deletions

View File

@ -490,7 +490,7 @@ int __bch_bucket_alloc_set(struct cache_set *c, unsigned reserve,
if (b == -1)
goto err;
k->ptr[i] = PTR(ca->buckets[b].gen,
k->ptr[i] = MAKE_PTR(ca->buckets[b].gen,
bucket_to_sector(c, b),
ca->sb.nr_this_dev);

View File

@ -585,7 +585,7 @@ static bool bch_extent_merge(struct btree_keys *bk, struct bkey *l, struct bkey
return false;
for (i = 0; i < KEY_PTRS(l); i++)
if (l->ptr[i] + PTR(0, KEY_SIZE(l), 0) != r->ptr[i] ||
if (l->ptr[i] + MAKE_PTR(0, KEY_SIZE(l), 0) != r->ptr[i] ||
PTR_BUCKET_NR(b->c, l, i) != PTR_BUCKET_NR(b->c, r, i))
return false;

View File

@ -512,7 +512,7 @@ static void journal_reclaim(struct cache_set *c)
continue;
ja->cur_idx = next;
k->ptr[n++] = PTR(0,
k->ptr[n++] = MAKE_PTR(0,
bucket_to_sector(c, ca->sb.d[ja->cur_idx]),
ca->sb.nr_this_dev);
}

View File

@ -91,7 +91,7 @@ PTR_FIELD(PTR_GEN, 0, 8)
#define PTR_CHECK_DEV ((1 << PTR_DEV_BITS) - 1)
#define PTR(gen, offset, dev) \
#define MAKE_PTR(gen, offset, dev) \
((((__u64) dev) << 51) | ((__u64) offset) << 8 | gen)
/* Bkey utility code */