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Blame SOURCES/sysfs-sysfs_read-Count-activedisks-and-failed_disks.patch

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From 64ec81da7a70adcdc0dbccaacc69aaf90edb4011 Mon Sep 17 00:00:00 2001
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From: Jes Sorensen <jsorensen@fb.com>
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Date: Fri, 5 May 2017 11:51:43 -0400
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Subject: [RHEL7.5 PATCH 113/169] sysfs/sysfs_read: Count active_disks and
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 failed_disks
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Cound active_disks as drives mark 'in_sync' and failed_disks as
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disks marked 'faulty', in the same way ioctl(GET_ARRAY_INFO) does.
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Signed-off-by: Jes Sorensen <jsorensen@fb.com>
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---
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 sysfs.c | 10 ++++++++--
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 1 file changed, 8 insertions(+), 2 deletions(-)
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diff --git a/sysfs.c b/sysfs.c
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index aa30de5..f7967e8 100644
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--- a/sysfs.c
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+++ b/sysfs.c
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@@ -270,6 +270,8 @@ struct mdinfo *sysfs_read(int fd, char *devnm, unsigned long options)
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 	if (!dir)
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 		goto abort;
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 	sra->array.spare_disks = 0;
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+	sra->array.active_disks = 0;
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+	sra->array.failed_disks = 0;
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 	devp = &sra->devs;
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 	sra->devs = NULL;
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@@ -356,10 +358,14 @@ struct mdinfo *sysfs_read(int fd, char *devnm, unsigned long options)
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 			strcpy(dbase, "state");
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 			if (load_sys(fname, buf, sizeof(buf)))
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 				goto abort;
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-			if (strstr(buf, "in_sync"))
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+			if (strstr(buf, "in_sync")) {
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 				dev->disk.state |= (1<
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-			if (strstr(buf, "faulty"))
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+				sra->array.active_disks++;
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+			}
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+			if (strstr(buf, "faulty")) {
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 				dev->disk.state |= (1<
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+				sra->array.failed_disks++;
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+			}
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 			if (dev->disk.state == 0)
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 				sra->array.spare_disks++;
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 		}
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-- 
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2.7.4
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