tag 587531 +pending
thanks
I've checked the following patch into the e2fsprogs source tree, which
will be in 1.41.13.
- Ted
commit 8718359b4057bf2b998f4ac6125e33f20efe60cb
Author: Theodore Ts'o <ty...@mit.edu>
Date: Sat Sep 25 21:14:06 2010 -0400
e2fsck: Open the external journal in exclusive mode
This prevents accidentally replaying and resetting the journal while
it is mounted, due to an accidental attempt to run e2fsck on an LVM
snapshot of a file system with an external journal.
Addresses-Debian-Bug: #587531
Signed-off-by: "Theodore Ts'o" <ty...@mit.edu>
diff --git a/e2fsck/journal.c b/e2fsck/journal.c
index 64a0fd6..b741eb9 100644
--- a/e2fsck/journal.c
+++ b/e2fsck/journal.c
@@ -368,7 +368,8 @@ static errcode_t e2fsck_get_journal(e2fsck_t ctx, journal_t
**ret_journal)
#ifndef USE_INODE_IO
if (ext_journal)
#endif
- retval = io_ptr->open(journal_name, IO_FLAG_RW,
+ retval = io_ptr->open(journal_name,
+ IO_FLAG_RW | IO_FLAG_EXCLUSIVE,
&ctx->journal_io);
if (retval)
goto errout;
--
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