MD: add new bit to indicate raid array with journal
authorSong Liu <songliubraving@fb.com>
Fri, 9 Oct 2015 04:54:09 +0000 (21:54 -0700)
committerNeilBrown <neilb@suse.com>
Sun, 1 Nov 2015 02:48:29 +0000 (13:48 +1100)
commita97b7896447a89749d9258fbb9d8c3faf48a7a4e
tree4d1718f235e90e20c7385097c307d56d343689ba
parent6e74a9cfb5a55b0a4214809321b67d7065e55555
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>
drivers/md/md.c
drivers/md/md.h