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| author | Song Liu | 2015-10-09 06:54:09 +0200 |
|---|---|---|
| committer | NeilBrown | 2015-11-01 03:48:29 +0100 |
| commit | a97b7896447a89749d9258fbb9d8c3faf48a7a4e (patch) | |
| tree | 4d1718f235e90e20c7385097c307d56d343689ba /drivers/md/md.h | |
| parent | raid5-cache: IO error handling (diff) | |
| download | kernel-qcow2-linux-a97b7896447a89749d9258fbb9d8c3faf48a7a4e.tar.gz kernel-qcow2-linux-a97b7896447a89749d9258fbb9d8c3faf48a7a4e.tar.xz kernel-qcow2-linux-a97b7896447a89749d9258fbb9d8c3faf48a7a4e.zip | |
MD: add new bit to indicate raid array with journal
If a raid array has journal feature bit set, add a new bit to indicate
this. If the array is started without journal disk existing, we know
there is something wrong.
Signed-off-by: Song Liu <songliubraving@fb.com>
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 e14e667a20e9..2bea51edfab7 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -233,6 +233,7 @@ struct mddev { * md_ioctl checked on it. */ #define MD_JOURNAL_CLEAN 5 /* A raid with journal is already clean */ +#define MD_HAS_JOURNAL 6 /* The raid array has journal feature set */ int suspended; atomic_t active_io; |