62 lines
1.9 KiB
Diff
62 lines
1.9 KiB
Diff
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From 662ed0a13f4b497352fe9b6a1d243f06e45c4f3d Mon Sep 17 00:00:00 2001
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From: Harald Hoyer <harald@redhat.com>
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Date: Thu, 22 Sep 2011 15:12:14 +0200
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Subject: [PATCH] 99fs-lib/fs-lib.sh: fsck btrfs via mounting like xfs
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btrfsck is only for manual repairing your filesystem
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---
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modules.d/99fs-lib/fs-lib.sh | 33 ++++++++++++++++++++++++++++++++-
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1 files changed, 32 insertions(+), 1 deletions(-)
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diff --git a/modules.d/99fs-lib/fs-lib.sh b/modules.d/99fs-lib/fs-lib.sh
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index f7b20dd..edb5852 100755
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--- a/modules.d/99fs-lib/fs-lib.sh
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+++ b/modules.d/99fs-lib/fs-lib.sh
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@@ -59,7 +59,7 @@ fsck_able() {
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;;
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btrfs)
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type btrfsck >/dev/null 2>&1 &&
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- _drv="_drv=btrfsck fsck_drv_com" &&
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+ _drv="_drv=none fsck_drv_btrfs" &&
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return 0
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;;
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*)
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@@ -104,6 +104,37 @@ fsck_drv_xfs() {
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return $_ret
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}
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+fsck_drv_btrfs() {
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+ local _ret
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+
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+ # fs must be cleanly mounted (and umounted) first, before attempting any
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+ # btrfs tools - if this works, nothing else should be needed
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+ # note, that user is always dropped into the shell, if the filesystem is
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+ # not mountable or if -f flag is found among _fop
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+ mkdir -p /tmp/.btrfs
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+
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+ info "trying to mount $_dev"
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+ if mount -t btrfs "$_dev" "/tmp/.btrfs" >/dev/null 2>&1; then
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+ _ret=0
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+ info "btrfs: $_dev is clean"
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+ umount "$_dev" >/dev/null 2>&1
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+ else
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+ _ret=4
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+ warn "*** $_dev is unmountable"
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+ fi
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+ if [ $_ret -gt 0 ] || strstr "$_fop" "-f"; then
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+ warn "*** Dropping you to a shell. You have"
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+ warn "*** btrfsck available."
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+ warn "*** Note that if btrfs didn't mount properly, it's"
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+ warn "*** probably pretty serious condition."
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+ emergency_shell -n "(Repair filesystem)"
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+ fi
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+
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+ rm -r /tmp/.btrfs
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+ return $_ret
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+}
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+
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+
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# common code for checkers that follow usual subset of options and return codes
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fsck_drv_com() {
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local _ret
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