On Mon, 02 Jun 2008 19:46:02 +0900 Hidehiro Kawai <hidehiro.kawai.ez@xxxxxxxxxxx> wrote: > Subject: [PATCH 3/5] jbd: abort when failed to log metadata buffers > > If we failed to write metadata buffers to the journal space and > succeeded to write the commit record, stale data can be written > back to the filesystem as metadata in the recovery phase. > > To avoid this, when we failed to write out metadata buffers, > abort the journal before writing the commit record. > > Signed-off-by: Hidehiro Kawai <hidehiro.kawai.ez@xxxxxxxxxxx> > --- > fs/jbd/commit.c | 3 +++ > 1 file changed, 3 insertions(+) > > Index: linux-2.6.26-rc4/fs/jbd/commit.c > =================================================================== > --- linux-2.6.26-rc4.orig/fs/jbd/commit.c > +++ linux-2.6.26-rc4/fs/jbd/commit.c > @@ -734,6 +734,9 @@ wait_for_iobuf: > /* AKPM: bforget here */ > } > > + if (err) > + journal_abort(journal, err); > + > jbd_debug(3, "JBD: commit phase 6\n"); > > if (journal_write_commit_record(journal, commit_transaction)) > I assume this has all been tested? How are you finding these problems and testing the fixes? Fault injection? Does it make sense to proceed into phase 6 here, or should we bale out of commit at this point? -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
