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From f077a200564b7197048003685a153aa1b2b3e306 Mon Sep 17 00:00:00 2001
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From: WANG Chao <chaowang@redhat.com>
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Date: Tue, 1 Apr 2014 15:20:49 +0800
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Subject: [PATCH] fstab: do not mount and fsck from fstab if using systemd
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If using systemd in initramfs, we could run into a race condition when
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dracut and systemd both are trying to mount and run fsck for the same
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filesystem, and mount or fsck could be a failure.
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To fix such failure, we should use systemd to mount/fsck from /etc/fstab
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only.
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v2: check $DRACUT_SYSTEMD suggested by Alexander Tsoy
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Signed-off-by: WANG Chao <chaowang@redhat.com>
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(cherry picked from commit e920bfb1e8a5917e7b0f360d1c51d200db3acbfd)
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---
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modules.d/95fstab-sys/mount-sys.sh | 6 +++++-
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1 file changed, 5 insertions(+), 1 deletion(-)
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diff --git a/modules.d/95fstab-sys/mount-sys.sh b/modules.d/95fstab-sys/mount-sys.sh
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index 12711a07..a2378101 100755
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--- a/modules.d/95fstab-sys/mount-sys.sh
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+++ b/modules.d/95fstab-sys/mount-sys.sh
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@@ -27,7 +27,11 @@ fstab_mount() {
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return 0
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}
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-[ -f /etc/fstab ] && fstab_mount /etc/fstab
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+# systemd will mount and run fsck from /etc/fstab and we don't want to
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+# run into a race condition.
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+if [ -z "$DRACUT_SYSTEMD" ]; then
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+ [ -f /etc/fstab ] && fstab_mount /etc/fstab
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+fi
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# prefer $NEWROOT/etc/fstab.sys over local /etc/fstab.sys
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if [ -f $NEWROOT/etc/fstab.sys ]; then
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