From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: Ritesh Harjani <riteshh@linux.ibm.com>
Cc: fstests@vger.kernel.org, linux-xfs@vger.kernel.org,
linux-ext4@vger.kernel.org, anju@linux.vnet.ibm.com,
guan@eryu.me
Subject: Re: [PATCHv3 1/2] common/rc: swapon should not fail for given FS in _require_scratch_swapfile()
Date: Tue, 5 Jan 2021 11:04:53 -0800 [thread overview]
Message-ID: <20210105190453.GA6918@magnolia> (raw)
In-Reply-To: <aad3aeb9c717c76fc4e5fd124037da2510f51054.1609848797.git.riteshh@linux.ibm.com>
On Tue, Jan 05, 2021 at 08:01:42PM +0530, Ritesh Harjani wrote:
> Filesystems e.g. ext* and XFS supports swapon by default and an error
> returned with swapon should be treated as a failure.
>
> Signed-off-by: Ritesh Harjani <riteshh@linux.ibm.com>
Looks ok,
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
--D
> ---
> v2 -> v3:
> 1. Removed whitelisted naming convention.
> 2. Added ext2/ext3 as well as supported FS for swapon.
> 3. Removed local variable $fstyp, instead used $FSTYP directly in switch case.
>
> common/rc | 20 ++++++++++++++++----
> 1 file changed, 16 insertions(+), 4 deletions(-)
>
> diff --git a/common/rc b/common/rc
> index 33b5b598a198..649b1cfd884a 100644
> --- a/common/rc
> +++ b/common/rc
> @@ -2401,10 +2401,22 @@ _require_scratch_swapfile()
> # Minimum size for mkswap is 10 pages
> _format_swapfile "$SCRATCH_MNT/swap" $(($(get_page_size) * 10))
>
> - if ! swapon "$SCRATCH_MNT/swap" >/dev/null 2>&1; then
> - _scratch_unmount
> - _notrun "swapfiles are not supported"
> - fi
> + # ext* and xfs have supported all variants of swap files since their
> + # introduction, so swapon should not fail.
> + case "$FSTYP" in
> + ext2|ext3|ext4|xfs)
> + if ! swapon "$SCRATCH_MNT/swap" >/dev/null 2>&1; then
> + _scratch_unmount
> + _fail "swapon failed for $FSTYP"
> + fi
> + ;;
> + *)
> + if ! swapon "$SCRATCH_MNT/swap" >/dev/null 2>&1; then
> + _scratch_unmount
> + _notrun "swapfiles are not supported"
> + fi
> + ;;
> + esac
>
> swapoff "$SCRATCH_MNT/swap" >/dev/null 2>&1
> _scratch_unmount
> --
> 2.26.2
>
prev parent reply other threads:[~2021-01-05 19:06 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-05 14:31 [PATCHv3 1/2] common/rc: swapon should not fail for given FS in _require_scratch_swapfile() Ritesh Harjani
2021-01-05 14:31 ` [PATCHv3 2/2] generic/496: ext4 and xfs supports swapon on fallocated file Ritesh Harjani
2021-01-05 19:05 ` Darrick J. Wong
2021-01-05 19:04 ` Darrick J. Wong [this message]
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