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From 2b57e4fe041d52ae29866c93a878a11c07223cff Mon Sep 17 00:00:00 2001
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From: Pawel Baldysiak <pawel.baldysiak@intel.com>
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Date: Fri, 22 Feb 2019 12:56:27 +0100
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Subject: [RHEL7.7 PATCH 20/21] Assemble: Fix starting array with initial
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reshape checkpoint
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If array was stopped during reshape initialization,
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there might be a "0" checkpoint recorded in metadata.
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If array with such condition (reshape with position 0)
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is passed to kernel - it will refuse to start such array.
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Treat such array as normal during assemble, Grow_continue() will
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reinitialize and start the reshape.
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Signed-off-by: Pawel Baldysiak <pawel.baldysiak@intel.com>
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Signed-off-by: Jes Sorensen <jsorensen@fb.com>
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---
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Assemble.c | 18 ++++++++++++++++--
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1 file changed, 16 insertions(+), 2 deletions(-)
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diff --git a/Assemble.c b/Assemble.c
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index 9f050c1..420c7b3 100644
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--- a/Assemble.c
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+++ b/Assemble.c
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@@ -2061,8 +2061,22 @@ int assemble_container_content(struct supertype *st, int mdfd,
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spare, &c->backup_file, c->verbose) == 1)
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return 1;
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- err = sysfs_set_str(content, NULL,
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- "array_state", "readonly");
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+ if (content->reshape_progress == 0) {
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+ /* If reshape progress is 0 - we are assembling the
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+ * array that was stopped, before reshape has started.
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+ * Array needs to be started as active, Grow_continue()
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+ * will start the reshape.
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+ */
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+ sysfs_set_num(content, NULL, "reshape_position",
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+ MaxSector);
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+ err = sysfs_set_str(content, NULL,
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+ "array_state", "active");
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+ sysfs_set_num(content, NULL, "reshape_position", 0);
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+ } else {
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+ err = sysfs_set_str(content, NULL,
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+ "array_state", "readonly");
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+ }
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+
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if (err)
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return 1;
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--
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2.7.5
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