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authorChristoph Hellwig <hch@lst.de>2022-11-09 11:10:37 +0100
committerSong Liu <song@kernel.org>2022-11-14 10:15:35 -0800
commitad831a16b08c3f1a1f28a56d2054313d7d521da9 (patch)
tree8d80098ba5c9a78431379cd31d96681d3fc7fa68 /drivers/md
parent341097ee53573e06ab9fc675d96a052385b851fa (diff)
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md/raid5: use bdev_write_cache instead of open coding it
Use the bdev_write_cache instead of two equivalent open coded checks. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Song Liu <song@kernel.org>
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/raid5-cache.c5
-rw-r--r--drivers/md/raid5-ppl.c5
2 files changed, 2 insertions, 8 deletions
diff --git a/drivers/md/raid5-cache.c b/drivers/md/raid5-cache.c
index a63023aae21e..46182b955aef 100644
--- a/drivers/md/raid5-cache.c
+++ b/drivers/md/raid5-cache.c
@@ -3062,7 +3062,6 @@ void r5c_update_on_rdev_error(struct mddev *mddev, struct md_rdev *rdev)
int r5l_init_log(struct r5conf *conf, struct md_rdev *rdev)
{
- struct request_queue *q = bdev_get_queue(rdev->bdev);
struct r5l_log *log;
int ret;
@@ -3091,9 +3090,7 @@ int r5l_init_log(struct r5conf *conf, struct md_rdev *rdev)
if (!log)
return -ENOMEM;
log->rdev = rdev;
-
- log->need_cache_flush = test_bit(QUEUE_FLAG_WC, &q->queue_flags) != 0;
-
+ log->need_cache_flush = bdev_write_cache(rdev->bdev);
log->uuid_checksum = crc32c_le(~0, rdev->mddev->uuid,
sizeof(rdev->mddev->uuid));
diff --git a/drivers/md/raid5-ppl.c b/drivers/md/raid5-ppl.c
index 31b9157bc9ae..e495939bb3e0 100644
--- a/drivers/md/raid5-ppl.c
+++ b/drivers/md/raid5-ppl.c
@@ -1301,8 +1301,6 @@ static int ppl_validate_rdev(struct md_rdev *rdev)
static void ppl_init_child_log(struct ppl_log *log, struct md_rdev *rdev)
{
- struct request_queue *q;
-
if ((rdev->ppl.size << 9) >= (PPL_SPACE_SIZE +
PPL_HEADER_SIZE) * 2) {
log->use_multippl = true;
@@ -1316,8 +1314,7 @@ static void ppl_init_child_log(struct ppl_log *log, struct md_rdev *rdev)
}
log->next_io_sector = rdev->ppl.sector;
- q = bdev_get_queue(rdev->bdev);
- if (test_bit(QUEUE_FLAG_WC, &q->queue_flags))
+ if (bdev_write_cache(rdev->bdev))
log->wb_cache_on = true;
}