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commit 5fe2bd60844cfe5d805e62a4316afaa5cd9d7c83
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Author: Eric Sandeen <sandeen@redhat.com>
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Date: Thu Feb 20 20:18:41 2014 -0500
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tune2fs: allow removal of dirty journal with two "-f" options
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Jim pointed out that "tune2fs -f -O ^has_journal" won't remove the
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journal if the needs_recovery flag is set; the manpage seems to indicate
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that it should. And if you've lost an external journal and can no longer
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replay it, how should one proceed?
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Change tune2fs so that two "-f" options will allow removal of a dirty
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journal from a filesystem, even if the filesystem needs recovery.
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e2fsck can then do its best to pick up the pieces.
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Addresses-Debian-Bug: #559301
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Reported-by: Jim Faulkner <james.faulkner@yale.edu>
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Signed-off-by: Eric Sandeen <sandeen@redhat.com>
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Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Index: e2fsprogs-1.42.9/misc/tune2fs.8.in
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===================================================================
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--- e2fsprogs-1.42.9.orig/misc/tune2fs.8.in
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+++ e2fsprogs-1.42.9/misc/tune2fs.8.in
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@@ -248,7 +248,10 @@ option is useful when removing the
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filesystem feature from a filesystem which has
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an external journal (or is corrupted
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such that it appears to have an external journal), but that
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-external journal is not available.
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+external journal is not available. If the filesystem appears to require
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+journal replay, the
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+.B \-f
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+flag must be specified twice to proceed.
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.sp
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.B WARNING:
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Removing an external journal from a filesystem which was not cleanly unmounted
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Index: e2fsprogs-1.42.9/misc/tune2fs.c
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===================================================================
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--- e2fsprogs-1.42.9.orig/misc/tune2fs.c
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+++ e2fsprogs-1.42.9/misc/tune2fs.c
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@@ -436,8 +436,9 @@ static int update_feature_set(ext2_filsy
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"read-only.\n"), stderr);
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return 1;
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}
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- if (sb->s_feature_incompat &
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- EXT3_FEATURE_INCOMPAT_RECOVER) {
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+ if ((sb->s_feature_incompat &
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+ EXT3_FEATURE_INCOMPAT_RECOVER) &&
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+ f_flag < 2) {
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fputs(_("The needs_recovery flag is set. "
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"Please run e2fsck before clearing\n"
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"the has_journal flag.\n"), stderr);
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@@ -929,7 +930,7 @@ static void parse_tune2fs_options(int ar
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open_flag |= EXT2_FLAG_RW;
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break;
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case 'f': /* Force */
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- f_flag = 1;
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+ f_flag++;
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break;
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case 'g':
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resgid = strtoul(optarg, &tmp, 0);
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