Message ID | f0b9fc441b46d15ddcdb126d3aabb27784c3e758.1480985305.git.osandov@fb.com (mailing list archive) |
---|---|
State | Not Applicable |
Headers | show |
On Mon, Dec 05, 2016 at 05:01:28PM -0800, Omar Sandoval wrote: > From: Omar Sandoval <osandov@fb.com> > > Btrfs doesn't support swapfiles (yet?), so generic/356 fails > erroneously, and generic/357 only passes by accident. Let's add a > _require_scratch_swapfile helper and add it to these tests. Hehe, good catch. :) Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> --D > > Signed-off-by: Omar Sandoval <osandov@fb.com> > --- > I have some code enabling swapfiles for Btrfs [1], but there's some ABBA > deadlock issues with i_rwsem and mmap_sem on swap-over-NFS that I > haven't had time to sort out. In the meantime, let's just skip these > tests. > > 1: https://github.com/osandov/linux/tree/btrfs-swap > > common/rc | 22 ++++++++++++++++++++++ > tests/generic/356 | 1 + > tests/generic/357 | 1 + > 3 files changed, 24 insertions(+) > > diff --git a/common/rc b/common/rc > index 2719b23..d863e56 100644 > --- a/common/rc > +++ b/common/rc > @@ -1790,6 +1790,28 @@ _require_odirect() > rm -f $testfile 2>&1 > /dev/null > } > > +# Check that the filesystem supports swapfiles > +_require_scratch_swapfile() > +{ > + _require_scratch > + > + _scratch_mkfs >/dev/null > + _scratch_mount > + > + # Minimum size for mkswap is 10 pages > + local size=$(($(get_page_size) * 10)) > + > + _pwrite_byte 0x61 0 "$size" "$SCRATCH_MNT/swap" >/dev/null 2>&1 > + mkswap "$SCRATCH_MNT/swap" >/dev/null 2>&1 > + if ! swapon "$SCRATCH_MNT/swap" >/dev/null 2>&1; then > + _scratch_unmount > + _notrun "swapfiles are not supported" > + fi > + > + swapoff "$SCRATCH_MNT/swap" >/dev/null 2>&1 > + _scratch_unmount > +} > + > # Check that a fs has enough free space (in 1024b blocks) > # > _require_fs_space() > diff --git a/tests/generic/356 b/tests/generic/356 > index 6bb90c0..51eeb65 100755 > --- a/tests/generic/356 > +++ b/tests/generic/356 > @@ -44,6 +44,7 @@ _cleanup() > > # real QA test starts here > _supported_os Linux > +_require_scratch_swapfile > _require_scratch_reflink > _require_cp_reflink > > diff --git a/tests/generic/357 b/tests/generic/357 > index 439b314..0dd0c10 100755 > --- a/tests/generic/357 > +++ b/tests/generic/357 > @@ -44,6 +44,7 @@ _cleanup() > > # real QA test starts here > _supported_os Linux > +_require_scratch_swapfile > _require_scratch_reflink > _require_cp_reflink > > -- > 2.10.2 > > -- > To unsubscribe from this list: send the line "unsubscribe fstests" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/common/rc b/common/rc index 2719b23..d863e56 100644 --- a/common/rc +++ b/common/rc @@ -1790,6 +1790,28 @@ _require_odirect() rm -f $testfile 2>&1 > /dev/null } +# Check that the filesystem supports swapfiles +_require_scratch_swapfile() +{ + _require_scratch + + _scratch_mkfs >/dev/null + _scratch_mount + + # Minimum size for mkswap is 10 pages + local size=$(($(get_page_size) * 10)) + + _pwrite_byte 0x61 0 "$size" "$SCRATCH_MNT/swap" >/dev/null 2>&1 + mkswap "$SCRATCH_MNT/swap" >/dev/null 2>&1 + if ! swapon "$SCRATCH_MNT/swap" >/dev/null 2>&1; then + _scratch_unmount + _notrun "swapfiles are not supported" + fi + + swapoff "$SCRATCH_MNT/swap" >/dev/null 2>&1 + _scratch_unmount +} + # Check that a fs has enough free space (in 1024b blocks) # _require_fs_space() diff --git a/tests/generic/356 b/tests/generic/356 index 6bb90c0..51eeb65 100755 --- a/tests/generic/356 +++ b/tests/generic/356 @@ -44,6 +44,7 @@ _cleanup() # real QA test starts here _supported_os Linux +_require_scratch_swapfile _require_scratch_reflink _require_cp_reflink diff --git a/tests/generic/357 b/tests/generic/357 index 439b314..0dd0c10 100755 --- a/tests/generic/357 +++ b/tests/generic/357 @@ -44,6 +44,7 @@ _cleanup() # real QA test starts here _supported_os Linux +_require_scratch_swapfile _require_scratch_reflink _require_cp_reflink