On Tue, Oct 09, 2012 at 02:50:55PM +1100, Dave Chinner wrote:
> From: Dave Chinner <dchinner@xxxxxxxxxx>
>
> Add a superblock verify callback function and pass it into the
> buffer read functions. Remove the now redundant verification code
> that is currently in use.
>
> Adding verification shows that secondary superblocks never have
> their "sb_inprogress" flag cleared by mkfs.xfs, so when validating
> the secondary superblocks during a grow operation we have to avoid
> checking this field. Even if we fix mkfs, we will still have to
> ignore this field for verification purposes unless a version of mkfs
> that does not have this bug was used.
> @@ -304,9 +304,8 @@ STATIC int
> xfs_mount_validate_sb(
> xfs_mount_t *mp,
> xfs_sb_t *sbp,
> - int flags)
> + bool check_inprogress)
> {
> - int loud = !(flags & XFS_MFSI_QUIET);
I don't think removing this is a good idea. The quiet flag is used
to silence all filesystem warnings when the kernel is blindly trying
all filesystem types when searching for the correct root fs type.
If we always print warnings here people will get annoying messages
when that happens for a non-XFS rootfs that we're asked to verify.
I'd rather make check_inprogress another flag here.
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