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authorMike Christie <mchristi@redhat.com>2016-06-05 14:32:25 -0500
committerJens Axboe <axboe@fb.com>2016-06-07 13:41:38 -0600
commit28a8f0d317bf225ff15008f5dd66ae16242dd843 (patch)
tree4ed24aee241907a3612a61f8cc634acd10989c21 /drivers/md/dm-region-hash.c
parentblock: do not use REQ_FLUSH for tracking flush support (diff)
downloadlinux-dev-28a8f0d317bf225ff15008f5dd66ae16242dd843.tar.xz
linux-dev-28a8f0d317bf225ff15008f5dd66ae16242dd843.zip
block, drivers, fs: rename REQ_FLUSH to REQ_PREFLUSH
To avoid confusion between REQ_OP_FLUSH, which is handled by request_fn drivers, and upper layers requesting the block layer perform a flush sequence along with possibly a WRITE, this patch renames REQ_FLUSH to REQ_PREFLUSH. Signed-off-by: Mike Christie <mchristi@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/md/dm-region-hash.c')
-rw-r--r--drivers/md/dm-region-hash.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/md/dm-region-hash.c b/drivers/md/dm-region-hash.c
index 3550ca7c6577..b11813431f31 100644
--- a/drivers/md/dm-region-hash.c
+++ b/drivers/md/dm-region-hash.c
@@ -398,7 +398,7 @@ void dm_rh_mark_nosync(struct dm_region_hash *rh, struct bio *bio)
region_t region = dm_rh_bio_to_region(rh, bio);
int recovering = 0;
- if (bio->bi_rw & REQ_FLUSH) {
+ if (bio->bi_rw & REQ_PREFLUSH) {
rh->flush_failure = 1;
return;
}
@@ -526,7 +526,7 @@ void dm_rh_inc_pending(struct dm_region_hash *rh, struct bio_list *bios)
struct bio *bio;
for (bio = bios->head; bio; bio = bio->bi_next) {
- if (bio->bi_rw & REQ_FLUSH || bio_op(bio) == REQ_OP_DISCARD)
+ if (bio->bi_rw & REQ_PREFLUSH || bio_op(bio) == REQ_OP_DISCARD)
continue;
rh_inc(rh, dm_rh_bio_to_region(rh, bio));
}