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| author | Kent Overstreet <kent.overstreet@gmail.com> | 2016-12-08 14:41:14 -0900 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@gmail.com> | 2017-01-18 21:41:22 -0900 |
| commit | 7d3ad6b35df773f33510f45847beac7b3161018b (patch) | |
| tree | 7e3805b30d7ba9cbe0ca4f4497df54fe6a8f6168 | |
| parent | 5047ae44d925e1ac40e04c3e05853f5df3788834 (diff) | |
bcache: increase default journal write delay for spinning rust
| -rw-r--r-- | drivers/md/bcache/super.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index ab786e81ea0b..85d8f60a3c07 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -2003,6 +2003,15 @@ static const char *cache_alloc(struct bcache_superblock *sb, if (le64_to_cpu(ca->disk_sb.sb->seq) > le64_to_cpu(c->disk_sb.seq)) cache_sb_to_cache_set(c, ca->disk_sb.sb); + /* + * Increase journal write timeout if flushes to this device are + * expensive: + */ + if (!blk_queue_nonrot(bdev_get_queue(ca->disk_sb.bdev)) && + journal_flushes_device(ca)) + c->journal.write_delay_ms = + max(c->journal.write_delay_ms, 1000U); + err = "error creating kobject"; if (c->kobj.state_in_sysfs && bch_cache_online(ca)) |