diff options
| author | Christoph Hellwig <hch@lst.de> | 2015-10-05 09:31:09 +0200 |
|---|---|---|
| committer | NeilBrown <neilb@suse.com> | 2015-11-01 13:48:28 +1100 |
| commit | 56fef7c6e02493dce316de99a11e9e26b852218b (patch) | |
| tree | 947aafd77670967d989849453b1d2c24d96dbfdf /drivers/md/bcache | |
| parent | d8858f4321b744ff02e286165b643e8dc0ef1cf5 (diff) | |
| download | linux-stable-56fef7c6e02493dce316de99a11e9e26b852218b.tar.gz linux-stable-56fef7c6e02493dce316de99a11e9e26b852218b.tar.bz2 linux-stable-56fef7c6e02493dce316de99a11e9e26b852218b.zip | |
raid5-cache: simplify state machine when caches flushes are not needed
For devices without a volatile write cache we don't need to send a FLUSH
command to ensure writes are stable on disk, and thus can avoid the whole
step of batching up bios for processing by the MD thread.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Shaohua Li <shli@fb.com>
Signed-off-by: NeilBrown <neilb@suse.com>
Diffstat (limited to 'drivers/md/bcache')
0 files changed, 0 insertions, 0 deletions