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mdadm
0014-super1-ignore-failfast-flag-for-setting-de...
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File 0014-super1-ignore-failfast-flag-for-setting-device-role.patch of Package mdadm
From e23c2663da73f905aa5fa9800feda3d08a8026ee Mon Sep 17 00:00:00 2001 From: Gioh Kim <gi-oh.kim@profitbricks.com> Date: Mon, 20 Mar 2017 10:51:56 +0100 Subject: [PATCH] super1: ignore failfast flag for setting device role There is corner case for setting device role, if new device has failfast flag. The failfast flag should be ignored. Signed-off-by: Gioh Kim <gi-oh.kim@profitbricks.com> Signed-off-by: Jack Wang <jinpu.wang@profitbricks.com> Signed-off-by: Jes Sorensen <Jes.Sorensen@gmail.com> --- super1.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/super1.c b/super1.c index 882cd61..f3520ac 100644 --- a/super1.c +++ b/super1.c @@ -1491,6 +1491,7 @@ static int add_to_super1(struct supertype *st, mdu_disk_info_t *dk, struct devinfo *di, **dip; bitmap_super_t *bms = (bitmap_super_t*)(((char*)sb) + MAX_SB_SIZE); int rv, lockid; + int dk_state; if (bms->version == BITMAP_MAJOR_CLUSTERED && dlm_funs_ready()) { rv = cluster_get_dlmlock(&lockid); @@ -1501,11 +1502,12 @@ static int add_to_super1(struct supertype *st, mdu_disk_info_t *dk, } } - if ((dk->state & 6) == 6) /* active, sync */ + dk_state = dk->state & ~(1<<MD_DISK_FAILFAST); + if ((dk_state & 6) == 6) /* active, sync */ *rp = __cpu_to_le16(dk->raid_disk); - else if (dk->state & (1<<MD_DISK_JOURNAL)) + else if (dk_state & (1<<MD_DISK_JOURNAL)) *rp = MD_DISK_ROLE_JOURNAL; - else if ((dk->state & ~2) == 0) /* active or idle -> spare */ + else if ((dk_state & ~2) == 0) /* active or idle -> spare */ *rp = MD_DISK_ROLE_SPARE; else *rp = MD_DISK_ROLE_FAULTY; -- 2.10.2
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