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| author |   Shaohua Li <shli@fb.com> | 2015-09-02 13:49:50 -0700 |
|---|---|---|
| committer |   NeilBrown <neilb@suse.com> | 2015-11-01 13:48:26 +1100 |
| commit | bd18f6462f3d167a9b3ec27851c98f82694b2adf (patch) | |
| tree | 8c844bcfd5985c9f2f27183f38eca68dbef8318e /drivers/md/md.h | |
| parent | raid5-cache: optimize FLUSH IO with log enabled (diff) | |
| download | wireguard-linux-bd18f6462f3d167a9b3ec27851c98f82694b2adf.tar.xz wireguard-linux-bd18f6462f3d167a9b3ec27851c98f82694b2adf.zip | |
md: skip resync for raid array with journal
If a raid array has journal, the journal can guarantee the consistency,
we can skip resync after a unclean shutdown. The exception is raid
creation or user initiated resync, which we still do a raid resync.
Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: NeilBrown <neilb@suse.com>
Diffstat (limited to 'drivers/md/md.h')
| -rw-r--r-- | drivers/md/md.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/md/md.h b/drivers/md/md.h index 2b0f62fb6146..e14e667a20e9 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -232,6 +232,7 @@ struct mddev { #define MD_STILL_CLOSED 4 /* If set, then array has not been opened since * md_ioctl checked on it. */ +#define MD_JOURNAL_CLEAN 5 /* A raid with journal is already clean */ int suspended; atomic_t active_io; |