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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/bcache
parenta418090aa88b9b531ac1f504d6bb8c0e9b04ccb7 (diff)
downloadlinux-28a8f0d317bf225ff15008f5dd66ae16242dd843.tar.bz2
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/bcache')
-rw-r--r--drivers/md/bcache/journal.c2
-rw-r--r--drivers/md/bcache/request.c8
2 files changed, 5 insertions, 5 deletions
diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c
index a3c3b309ff4a..6925023e12d4 100644
--- a/drivers/md/bcache/journal.c
+++ b/drivers/md/bcache/journal.c
@@ -631,7 +631,7 @@ static void journal_write_unlocked(struct closure *cl)
bio->bi_end_io = journal_write_endio;
bio->bi_private = w;
bio_set_op_attrs(bio, REQ_OP_WRITE,
- REQ_SYNC|REQ_META|REQ_FLUSH|REQ_FUA);
+ REQ_SYNC|REQ_META|REQ_PREFLUSH|REQ_FUA);
bch_bio_map(bio, w->data);
trace_bcache_journal_write(bio);
diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c
index 016b0aa7199c..69f16f43f8ab 100644
--- a/drivers/md/bcache/request.c
+++ b/drivers/md/bcache/request.c
@@ -205,10 +205,10 @@ static void bch_data_insert_start(struct closure *cl)
return bch_data_invalidate(cl);
/*
- * Journal writes are marked REQ_FLUSH; if the original write was a
+ * Journal writes are marked REQ_PREFLUSH; if the original write was a
* flush, it'll wait on the journal write.
*/
- bio->bi_rw &= ~(REQ_FLUSH|REQ_FUA);
+ bio->bi_rw &= ~(REQ_PREFLUSH|REQ_FUA);
do {
unsigned i;
@@ -668,7 +668,7 @@ static inline struct search *search_alloc(struct bio *bio,
s->iop.write_prio = 0;
s->iop.error = 0;
s->iop.flags = 0;
- s->iop.flush_journal = (bio->bi_rw & (REQ_FLUSH|REQ_FUA)) != 0;
+ s->iop.flush_journal = (bio->bi_rw & (REQ_PREFLUSH|REQ_FUA)) != 0;
s->iop.wq = bcache_wq;
return s;
@@ -920,7 +920,7 @@ static void cached_dev_write(struct cached_dev *dc, struct search *s)
bch_writeback_add(dc);
s->iop.bio = bio;
- if (bio->bi_rw & REQ_FLUSH) {
+ if (bio->bi_rw & REQ_PREFLUSH) {
/* Also need to send a flush to the backing device */
struct bio *flush = bio_alloc_bioset(GFP_NOIO, 0,
dc->disk.bio_split);