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.

Cc: stable@vger.kernel.org Signed-off-by: Huacai Chen chenhc@lemote.com --- drivers/md/bcache/alloc.c | 2 +- drivers/md/bcache/extents.c | 2 +- drivers/md/bcache/journal.c | 2 +- include/uapi/linux/bcache.h | 2 +- 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/md/bcache/alloc.c b/drivers/md/bcache/alloc.c index a27d852..a0cc1bc 100644 --- a/drivers/md/bcache/alloc.c +++ b/drivers/md/bcache/alloc.c @@ -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);

diff --git a/drivers/md/bcache/extents.c b/drivers/md/bcache/extents.c index 41c238f..f9d3917 100644 --- a/drivers/md/bcache/extents.c +++ b/drivers/md/bcache/extents.c @@ -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;

diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c index 02a98dd..03cc072 100644 --- a/drivers/md/bcache/journal.c +++ b/drivers/md/bcache/journal.c @@ -507,7 +507,7 @@ 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); } diff --git a/include/uapi/linux/bcache.h b/include/uapi/linux/bcache.h index 90fc490..5cc599c 100644 --- a/include/uapi/linux/bcache.h +++ b/include/uapi/linux/bcache.h @@ -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 */