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SUSE:SLE-12-SP3:Update
mdadm.7129
0007-super-intel-ensure-suspended-region-is-rem...
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File 0007-super-intel-ensure-suspended-region-is-removed-when-.patch of Package mdadm.7129
From 942e1cdb4a6a5be02672bc686169c679e775c2be Mon Sep 17 00:00:00 2001 From: NeilBrown <neilb@suse.com> Date: Thu, 18 Feb 2016 15:53:32 +1100 Subject: [PATCH 228/359] super-intel: ensure suspended region is removed when reshape completes. References: bsc#1081910 A recent commit removed a call to abort_reshape() when IMSM reshape completed. An unanticipated result of this is that the suspended region is not cleared as it should be. So after a reshape, a region of the array will cause all IO to block. Re-instate the required updates to suspend_{lo,hi} coped from abort_reshape(). This is caught (sometimes) by the test suite. Also fix a couple of typos found while exploring the code. Reported-by: Ken Moffat <zarniwhoop@ntlworld.com> Cc: Artur Paszkiewicz <artur.paszkiewicz@intel.com> Fixes: 2139b03c2080 ("imsm: don't call abort_reshape() in imsm_manage_reshape()") Signed-off-by: NeilBrown <neilb@suse.com> Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Coly Li <colyli@suse.de> --- super-intel.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/super-intel.c b/super-intel.c index 90b7b6d..ff0506d 100644 --- a/super-intel.c +++ b/super-intel.c @@ -10465,7 +10465,7 @@ int check_degradation_change(struct mdinfo *info, * Function: imsm_manage_reshape * Description: Function finds array under reshape and it manages reshape * process. It creates stripes backups (if required) and sets - * checheckpoits. + * checkpoints. * Parameters: * afd : Backup handle (nattive) - not used * sra : general array info @@ -10595,7 +10595,7 @@ static int imsm_manage_reshape( start = current_position * 512; - /* allign reading start to old geometry */ + /* align reading start to old geometry */ start_buf_shift = start % old_data_stripe_length; start_src = start - start_buf_shift; @@ -10700,6 +10700,10 @@ static int imsm_manage_reshape( ret_val = 1; abort: free(buf); + /* See Grow.c: abort_reshape() for further explanation */ + sysfs_set_num(sra, NULL, "suspend_lo", 0x7FFFFFFFFFFFFFFFULL); + sysfs_set_num(sra, NULL, "suspend_hi", 0); + sysfs_set_num(sra, NULL, "suspend_lo", 0); return ret_val; } -- 2.16.1
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