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Fri, 02 Nov 2018 14:30:10 -0700 (PDT) From: Omar Sandoval To: fstests@vger.kernel.org Cc: kernel-team@fb.com, linux-btrfs@vger.kernel.org Subject: [PATCH 1/7] generic/{472,496,497}: fix $seeqres typo Date: Fri, 2 Nov 2018 14:29:36 -0700 Message-Id: X-Mailer: git-send-email 2.19.1 In-Reply-To: References: MIME-Version: 1.0 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Omar Sandoval Signed-off-by: Omar Sandoval --- tests/generic/472 | 2 +- tests/generic/496 | 2 +- tests/generic/497 | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/tests/generic/472 b/tests/generic/472 index c74d6c70..04ed3e73 100755 --- a/tests/generic/472 +++ b/tests/generic/472 @@ -51,7 +51,7 @@ swapfile_cycle() { $CHATTR_PROG +C $swapfile >> $seqres.full 2>&1 "$here/src/mkswap" $swapfile >> $seqres.full "$here/src/swapon" $swapfile 2>&1 | _filter_scratch - swapoff $swapfile 2>> $seeqres.full + swapoff $swapfile 2>> $seqres.full rm -f $swapfile } diff --git a/tests/generic/496 b/tests/generic/496 index 1c9651ad..968b8012 100755 --- a/tests/generic/496 +++ b/tests/generic/496 @@ -53,7 +53,7 @@ swapfile_cycle() { $CHATTR_PROG +C $swapfile >> $seqres.full 2>&1 "$here/src/mkswap" $swapfile >> $seqres.full "$here/src/swapon" $swapfile 2>&1 | _filter_scratch - swapoff $swapfile 2>> $seeqres.full + swapoff $swapfile 2>> $seqres.full rm -f $swapfile } diff --git a/tests/generic/497 b/tests/generic/497 index 584af58a..3d5502ef 100755 --- a/tests/generic/497 +++ b/tests/generic/497 @@ -53,7 +53,7 @@ swapfile_cycle() { $CHATTR_PROG +C $swapfile >> $seqres.full 2>&1 "$here/src/mkswap" $swapfile >> $seqres.full "$here/src/swapon" $swapfile 2>&1 | _filter_scratch - swapoff $swapfile 2>> $seeqres.full + swapoff $swapfile 2>> $seqres.full rm -f $swapfile } From patchwork Fri Nov 2 21:29:37 2018 Content-Type: text/plain; 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Fri, 02 Nov 2018 14:30:11 -0700 (PDT) From: Omar Sandoval To: fstests@vger.kernel.org Cc: kernel-team@fb.com, linux-btrfs@vger.kernel.org Subject: [PATCH 2/7] generic/{472,496}: fix swap file creation on Btrfs Date: Fri, 2 Nov 2018 14:29:37 -0700 Message-Id: <6da5f398715af4f7478554920470a85e8a186b50.1541193856.git.osandov@fb.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: References: MIME-Version: 1.0 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Omar Sandoval The swap file must be set nocow before it is written to, otherwise it is ignored and Btrfs refuses to activate it as swap. Fixes: 25ce9740065e ("generic: test swapfile creation, activation, and deactivation") Signed-off-by: Omar Sandoval --- tests/generic/472 | 14 ++++++-------- tests/generic/496 | 6 +++--- 2 files changed, 9 insertions(+), 11 deletions(-) diff --git a/tests/generic/472 b/tests/generic/472 index 04ed3e73..aba4a007 100755 --- a/tests/generic/472 +++ b/tests/generic/472 @@ -42,13 +42,15 @@ _scratch_mount >>$seqres.full 2>&1 swapfile=$SCRATCH_MNT/swap len=$((2 * 1048576)) -page_size=$(get_page_size) swapfile_cycle() { local swapfile="$1" + local len="$2" + touch $swapfile # Swap files must be nocow on Btrfs. $CHATTR_PROG +C $swapfile >> $seqres.full 2>&1 + _pwrite_byte 0x58 0 $len $swapfile >> $seqres.full "$here/src/mkswap" $swapfile >> $seqres.full "$here/src/swapon" $swapfile 2>&1 | _filter_scratch swapoff $swapfile 2>> $seqres.full @@ -57,20 +59,16 @@ swapfile_cycle() { # Create a regular swap file echo "regular swap" | tee -a $seqres.full -_pwrite_byte 0x58 0 $len $swapfile >> $seqres.full -swapfile_cycle $swapfile +swapfile_cycle $swapfile $len # Create a swap file with a little too much junk on the end echo "too long swap" | tee -a $seqres.full -_pwrite_byte 0x58 0 $((len + 3)) $swapfile >> $seqres.full -swapfile_cycle $swapfile +swapfile_cycle $swapfile $((len + 3)) # Create a ridiculously small swap file. Each swap file must have at least # two pages after the header page. echo "tiny swap" | tee -a $seqres.full -tiny_len=$((page_size * 3)) -_pwrite_byte 0x58 0 $tiny_len $swapfile >> $seqres.full -swapfile_cycle $swapfile +swapfile_cycle $swapfile $(($(get_page_size) * 3)) status=0 exit diff --git a/tests/generic/496 b/tests/generic/496 index 968b8012..3083eef0 100755 --- a/tests/generic/496 +++ b/tests/generic/496 @@ -49,8 +49,6 @@ page_size=$(get_page_size) swapfile_cycle() { local swapfile="$1" - # Swap files must be nocow on Btrfs. - $CHATTR_PROG +C $swapfile >> $seqres.full 2>&1 "$here/src/mkswap" $swapfile >> $seqres.full "$here/src/swapon" $swapfile 2>&1 | _filter_scratch swapoff $swapfile 2>> $seqres.full @@ -59,8 +57,10 @@ swapfile_cycle() { # Create a fallocated swap file echo "fallocate swap" | tee -a $seqres.full -$XFS_IO_PROG -f -c "falloc 0 $len" $swapfile >> $seqres.full +touch $swapfile +# Swap files must be nocow on Btrfs. $CHATTR_PROG +C $swapfile >> $seqres.full 2>&1 +$XFS_IO_PROG -f -c "falloc 0 $len" $swapfile >> $seqres.full "$here/src/mkswap" $swapfile "$here/src/swapon" $swapfile >> $seqres.full 2>&1 || \ _notrun "fallocated swap not supported here" From patchwork Fri Nov 2 21:29:38 2018 Content-Type: text/plain; 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Fri, 02 Nov 2018 14:30:12 -0700 (PDT) From: Omar Sandoval To: fstests@vger.kernel.org Cc: kernel-team@fb.com, linux-btrfs@vger.kernel.org Subject: [PATCH 3/7] btrfs: test swap file activation restrictions Date: Fri, 2 Nov 2018 14:29:38 -0700 Message-Id: <9eeea2eecff0b9fad27f49c082e987232edb40c0.1541193856.git.osandov@fb.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: References: MIME-Version: 1.0 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Omar Sandoval Swap files on Btrfs have some restrictions not applicable to other filesystems. Signed-off-by: Omar Sandoval --- tests/btrfs/173 | 55 +++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/173.out | 5 +++++ tests/btrfs/group | 1 + 3 files changed, 61 insertions(+) create mode 100755 tests/btrfs/173 create mode 100644 tests/btrfs/173.out diff --git a/tests/btrfs/173 b/tests/btrfs/173 new file mode 100755 index 00000000..665bec39 --- /dev/null +++ b/tests/btrfs/173 @@ -0,0 +1,55 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2018 Facebook. All Rights Reserved. +# +# FS QA Test 173 +# +# Test swap file activation restrictions specific to Btrfs. +# +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + rm -f $tmp.* +} + +. ./common/rc +. ./common/filter + +rm -f $seqres.full + +_supported_fs generic +_supported_os Linux +_require_scratch_swapfile + +_scratch_mkfs >> $seqres.full 2>&1 +_scratch_mount + +echo "COW file" +# We can't use _format_swapfile because we don't want chattr +C, and we can't +# unset it after the swap file has been created. +rm -f "$SCRATCH_MNT/swap" +touch "$SCRATCH_MNT/swap" +chmod 0600 "$SCRATCH_MNT/swap" +_pwrite_byte 0x61 0 $(($(get_page_size) * 10)) "$SCRATCH_MNT/swap" >> $seqres.full +mkswap "$SCRATCH_MNT/swap" >> $seqres.full +swapon "$SCRATCH_MNT/swap" 2>&1 | _filter_scratch +swapoff "$SCRATCH_MNT/swap" >/dev/null 2>&1 + +echo "Compressed file" +rm -f "$SCRATCH_MNT/swap" +_format_swapfile "$SCRATCH_MNT/swap" $(($(get_page_size) * 10)) +$CHATTR_PROG +c "$SCRATCH_MNT/swap" +swapon "$SCRATCH_MNT/swap" 2>&1 | _filter_scratch +swapoff "$SCRATCH_MNT/swap" >/dev/null 2>&1 + +status=0 +exit diff --git a/tests/btrfs/173.out b/tests/btrfs/173.out new file mode 100644 index 00000000..6d7856bf --- /dev/null +++ b/tests/btrfs/173.out @@ -0,0 +1,5 @@ +QA output created by 173 +COW file +swapon: SCRATCH_MNT/swap: swapon failed: Invalid argument +Compressed file +swapon: SCRATCH_MNT/swap: swapon failed: Invalid argument diff --git a/tests/btrfs/group b/tests/btrfs/group index a490d7eb..3525014f 100644 --- a/tests/btrfs/group +++ b/tests/btrfs/group @@ -175,3 +175,4 @@ 170 auto quick snapshot 171 auto quick qgroup 172 auto quick punch +173 auto quick swap From patchwork Fri Nov 2 21:29:39 2018 Content-Type: text/plain; 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Fri, 02 Nov 2018 14:30:13 -0700 (PDT) From: Omar Sandoval To: fstests@vger.kernel.org Cc: kernel-team@fb.com, linux-btrfs@vger.kernel.org Subject: [PATCH 4/7] btrfs: test invalid operations on a swap file Date: Fri, 2 Nov 2018 14:29:39 -0700 Message-Id: X-Mailer: git-send-email 2.19.1 In-Reply-To: References: MIME-Version: 1.0 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Omar Sandoval Btrfs forbids some operations which should not be done on a swap file. Signed-off-by: Omar Sandoval --- tests/btrfs/174 | 66 +++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/174.out | 10 +++++++ tests/btrfs/group | 1 + 3 files changed, 77 insertions(+) create mode 100755 tests/btrfs/174 create mode 100644 tests/btrfs/174.out diff --git a/tests/btrfs/174 b/tests/btrfs/174 new file mode 100755 index 00000000..a26e6669 --- /dev/null +++ b/tests/btrfs/174 @@ -0,0 +1,66 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2018 Facebook. All Rights Reserved. +# +# FS QA Test 174 +# +# Test restrictions on operations that can be done on an active swap file +# specific to Btrfs. +# +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + rm -f $tmp.* +} + +. ./common/rc +. ./common/filter + +rm -f $seqres.full + +_supported_fs generic +_supported_os Linux +_require_scratch_swapfile + +_scratch_mkfs >> $seqres.full 2>&1 +_scratch_mount + +$BTRFS_UTIL_PROG subvol create "$SCRATCH_MNT/swapvol" >> $seqres.full +swapfile="$SCRATCH_MNT/swapvol/swap" +_format_swapfile "$swapfile" $(($(get_page_size) * 10)) +swapon "$swapfile" + +# Turning off nowcow doesn't do anything because the file is not empty, not +# because the file is a swap file, but make sure this works anyways. +echo "Disable nocow" +$CHATTR_PROG -C "$swapfile" +lsattr -l "$swapfile" | _filter_scratch | _filter_spaces + +# Compression we reject outright. +echo "Enable compression" +$CHATTR_PROG +c "$swapfile" 2>&1 | grep -o "Text file busy" +lsattr -l "$swapfile" | _filter_scratch | _filter_spaces + +echo "Snapshot" +$BTRFS_UTIL_PROG subvol snap "$SCRATCH_MNT/swapvol" \ + "$SCRATCH_MNT/swapsnap" 2>&1 | grep -o "Text file busy" + +echo "Defrag" +# We pass the -c (compress) flag to force defrag even if the file isn't +# fragmented. +$BTRFS_UTIL_PROG filesystem defrag -c "$swapfile" 2>&1 | grep -o "Text file busy" + +swapoff "$swapfile" +_scratch_unmount + +status=0 +exit diff --git a/tests/btrfs/174.out b/tests/btrfs/174.out new file mode 100644 index 00000000..bc24f1fb --- /dev/null +++ b/tests/btrfs/174.out @@ -0,0 +1,10 @@ +QA output created by 174 +Disable nocow +SCRATCH_MNT/swapvol/swap No_COW +Enable compression +Text file busy +SCRATCH_MNT/swapvol/swap No_COW +Snapshot +Text file busy +Defrag +Text file busy diff --git a/tests/btrfs/group b/tests/btrfs/group index 3525014f..2e10f7df 100644 --- a/tests/btrfs/group +++ b/tests/btrfs/group @@ -176,3 +176,4 @@ 171 auto quick qgroup 172 auto quick punch 173 auto quick swap +174 auto quick swap From patchwork Fri Nov 2 21:29:40 2018 Content-Type: text/plain; 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Fri, 02 Nov 2018 14:30:15 -0700 (PDT) From: Omar Sandoval To: fstests@vger.kernel.org Cc: kernel-team@fb.com, linux-btrfs@vger.kernel.org Subject: [PATCH 5/7] btrfs: test swap files on multiple devices Date: Fri, 2 Nov 2018 14:29:40 -0700 Message-Id: X-Mailer: git-send-email 2.19.1 In-Reply-To: References: MIME-Version: 1.0 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Omar Sandoval Swap files currently need to exist on exactly one device in exactly one place. Signed-off-by: Omar Sandoval --- tests/btrfs/175 | 73 +++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/175.out | 8 +++++ tests/btrfs/group | 1 + 3 files changed, 82 insertions(+) create mode 100755 tests/btrfs/175 create mode 100644 tests/btrfs/175.out diff --git a/tests/btrfs/175 b/tests/btrfs/175 new file mode 100755 index 00000000..64afc4f0 --- /dev/null +++ b/tests/btrfs/175 @@ -0,0 +1,73 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2018 Facebook. All Rights Reserved. +# +# FS QA Test 175 +# +# Test swap file activation on multiple devices. +# +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + rm -f $tmp.* +} + +. ./common/rc +. ./common/filter + +rm -f $seqres.full + +_supported_fs generic +_supported_os Linux +_require_scratch_dev_pool 2 +_require_scratch_swapfile + +cycle_swapfile() { + local sz=${1:-$(($(get_page_size) * 10))} + _format_swapfile "$SCRATCH_MNT/swap" "$sz" + swapon "$SCRATCH_MNT/swap" 2>&1 | _filter_scratch + swapoff "$SCRATCH_MNT/swap" > /dev/null 2>&1 +} + +echo "RAID 1" +_scratch_pool_mkfs -d raid1 -m raid1 >> $seqres.full 2>&1 +_scratch_mount +cycle_swapfile +_scratch_unmount + +echo "DUP" +_scratch_pool_mkfs -d dup -m dup >> $seqres.full 2>&1 +_scratch_mount +cycle_swapfile +_scratch_unmount + +echo "Single on multiple devices" +_scratch_pool_mkfs -d single -m raid1 -b $((1024 * 1024 * 1024)) >> $seqres.full 2>&1 +_scratch_mount +# Each device is only 1 GB, so 1.5 GB must be split across multiple devices. +cycle_swapfile $((3 * 1024 * 1024 * 1024 / 2)) +_scratch_unmount + +echo "Single on one device" +_scratch_mkfs >> $seqres.full 2>&1 +_scratch_mount +# Create the swap file, then add the device. That way we know it's all on one +# device. +_format_swapfile "$SCRATCH_MNT/swap" $(($(get_page_size) * 10)) +scratch_dev2="$(echo "${SCRATCH_DEV_POOL}" | awk '{ print $2 }')" +$BTRFS_UTIL_PROG device add -f "$scratch_dev2" "$SCRATCH_MNT" +swapon "$SCRATCH_MNT/swap" 2>&1 | _filter_scratch +swapoff "$SCRATCH_MNT/swap" > /dev/null 2>&1 +_scratch_unmount + +status=0 +exit diff --git a/tests/btrfs/175.out b/tests/btrfs/175.out new file mode 100644 index 00000000..ce2e5992 --- /dev/null +++ b/tests/btrfs/175.out @@ -0,0 +1,8 @@ +QA output created by 175 +RAID 1 +swapon: SCRATCH_MNT/swap: swapon failed: Invalid argument +DUP +swapon: SCRATCH_MNT/swap: swapon failed: Invalid argument +Single on multiple devices +swapon: SCRATCH_MNT/swap: swapon failed: Invalid argument +Single on one device diff --git a/tests/btrfs/group b/tests/btrfs/group index 2e10f7df..b6160b72 100644 --- a/tests/btrfs/group +++ b/tests/btrfs/group @@ -177,3 +177,4 @@ 172 auto quick punch 173 auto quick swap 174 auto quick swap +175 auto quick swap From patchwork Fri Nov 2 21:29:41 2018 Content-Type: text/plain; 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Fri, 02 Nov 2018 14:30:16 -0700 (PDT) From: Omar Sandoval To: fstests@vger.kernel.org Cc: kernel-team@fb.com, linux-btrfs@vger.kernel.org Subject: [PATCH 6/7] btrfs: test device add/remove/replace with an active swap file Date: Fri, 2 Nov 2018 14:29:41 -0700 Message-Id: X-Mailer: git-send-email 2.19.1 In-Reply-To: References: MIME-Version: 1.0 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Omar Sandoval Make sure that we don't remove or replace a device with an active swap file but can add, remove, and replace other devices. Signed-off-by: Omar Sandoval --- tests/btrfs/176 | 82 +++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/176.out | 5 +++ tests/btrfs/group | 1 + 3 files changed, 88 insertions(+) create mode 100755 tests/btrfs/176 create mode 100644 tests/btrfs/176.out diff --git a/tests/btrfs/176 b/tests/btrfs/176 new file mode 100755 index 00000000..1e576149 --- /dev/null +++ b/tests/btrfs/176 @@ -0,0 +1,82 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2018 Facebook. All Rights Reserved. +# +# FS QA Test 176 +# +# Test device remove/replace with an active swap file. +# +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + rm -f $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter + +# remove previous $seqres.full before test +rm -f $seqres.full + +# real QA test starts here + +# Modify as appropriate. +_supported_fs generic +_supported_os Linux +_require_scratch_dev_pool 3 +_require_scratch_swapfile + +# We check the filesystem manually because we move devices around. +rm -f "${RESULT_DIR}/require_scratch" + +scratch_dev1="$(echo "${SCRATCH_DEV_POOL}" | awk '{ print $1 }')" +scratch_dev2="$(echo "${SCRATCH_DEV_POOL}" | awk '{ print $2 }')" +scratch_dev3="$(echo "${SCRATCH_DEV_POOL}" | awk '{ print $3 }')" + +echo "Remove device" +_scratch_mkfs >> $seqres.full 2>&1 +_scratch_mount +_format_swapfile "$SCRATCH_MNT/swap" $(($(get_page_size) * 10)) +$BTRFS_UTIL_PROG device add -f "$scratch_dev2" "$SCRATCH_MNT" +swapon "$SCRATCH_MNT/swap" 2>&1 | _filter_scratch +# We know the swap file is on device 1 because we added device 2 after it was +# already created. +$BTRFS_UTIL_PROG device delete "$scratch_dev1" "$SCRATCH_MNT" 2>&1 | grep -o "Text file busy" +# Deleting/readding device 2 should still work. +$BTRFS_UTIL_PROG device delete "$scratch_dev2" "$SCRATCH_MNT" +$BTRFS_UTIL_PROG device add -f "$scratch_dev2" "$SCRATCH_MNT" +swapoff "$SCRATCH_MNT/swap" > /dev/null 2>&1 +# Deleting device 1 should work again after swapoff. +$BTRFS_UTIL_PROG device delete "$scratch_dev1" "$SCRATCH_MNT" +_scratch_unmount +_check_scratch_fs "$scratch_dev2" + +echo "Replace device" +_scratch_mkfs >> $seqres.full 2>&1 +_scratch_mount +_format_swapfile "$SCRATCH_MNT/swap" $(($(get_page_size) * 10)) +$BTRFS_UTIL_PROG device add -f "$scratch_dev2" "$SCRATCH_MNT" +swapon "$SCRATCH_MNT/swap" 2>&1 | _filter_scratch +# Again, we know the swap file is on device 1. +$BTRFS_UTIL_PROG replace start -fB "$scratch_dev1" "$scratch_dev3" "$SCRATCH_MNT" 2>&1 | grep -o "Text file busy" +# Replacing device 2 should still work. +$BTRFS_UTIL_PROG replace start -fB "$scratch_dev2" "$scratch_dev3" "$SCRATCH_MNT" +swapoff "$SCRATCH_MNT/swap" > /dev/null 2>&1 +# Replacing device 1 should work again after swapoff. +$BTRFS_UTIL_PROG replace start -fB "$scratch_dev1" "$scratch_dev2" "$SCRATCH_MNT" +_scratch_unmount +_check_scratch_fs "$scratch_dev2" + +# success, all done +status=0 +exit diff --git a/tests/btrfs/176.out b/tests/btrfs/176.out new file mode 100644 index 00000000..5c99e0fd --- /dev/null +++ b/tests/btrfs/176.out @@ -0,0 +1,5 @@ +QA output created by 176 +Remove device +Text file busy +Replace device +Text file busy diff --git a/tests/btrfs/group b/tests/btrfs/group index b6160b72..3562420b 100644 --- a/tests/btrfs/group +++ b/tests/btrfs/group @@ -178,3 +178,4 @@ 173 auto quick swap 174 auto quick swap 175 auto quick swap +176 auto quick swap From patchwork Fri Nov 2 21:29:42 2018 Content-Type: text/plain; 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Fri, 02 Nov 2018 14:30:17 -0700 (PDT) From: Omar Sandoval To: fstests@vger.kernel.org Cc: kernel-team@fb.com, linux-btrfs@vger.kernel.org Subject: [PATCH 7/7] btrfs: test balance and resize with an active swap file Date: Fri, 2 Nov 2018 14:29:42 -0700 Message-Id: X-Mailer: git-send-email 2.19.1 In-Reply-To: References: MIME-Version: 1.0 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Omar Sandoval Make sure we don't shrink the device past an active swap file, but allow shrinking otherwise, as well as growing and balance. Signed-off-by: Omar Sandoval --- tests/btrfs/177 | 64 +++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/177.out | 6 +++++ tests/btrfs/group | 1 + 3 files changed, 71 insertions(+) create mode 100755 tests/btrfs/177 create mode 100644 tests/btrfs/177.out diff --git a/tests/btrfs/177 b/tests/btrfs/177 new file mode 100755 index 00000000..12dad8fc --- /dev/null +++ b/tests/btrfs/177 @@ -0,0 +1,64 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2018 Facebook. All Rights Reserved. +# +# FS QA Test 177 +# +# Test relocation (balance and resize) with an active swap file. +# +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + rm -f $tmp.* +} + +. ./common/rc +. ./common/filter +. ./common/btrfs + +rm -f $seqres.full + +# Modify as appropriate. +_supported_fs generic +_supported_os Linux +_require_scratch_swapfile + +swapfile="$SCRATCH_MNT/swap" + +# First, create a 1GB filesystem and fill it up. +_scratch_mkfs_sized $((1024 * 1024 * 1024)) >> $seqres.full 2>&1 +_scratch_mount +dd if=/dev/zero of="$SCRATCH_MNT/fill" bs=1024k >> $seqres.full 2>&1 +# Now add more space and create a swap file. We know that the first 1GB of the +# filesystem was used, so the swap file must be in the new part of the +# filesystem. +$BTRFS_UTIL_PROG filesystem resize 2G "$SCRATCH_MNT" | _filter_scratch +_format_swapfile "$swapfile" $((32 * 1024 * 1024)) +swapon "$swapfile" +# Add even more space which we know is unused. +$BTRFS_UTIL_PROG filesystem resize 3G "$SCRATCH_MNT" | _filter_scratch +# Free up the first 1GB of the filesystem. +rm -f "$SCRATCH_MNT/fill" +# Get rid of empty block groups and also make sure that balance skips block +# groups containing active swap files. +_run_btrfs_balance_start "$SCRATCH_MNT" +# Shrink away the unused space. +$BTRFS_UTIL_PROG filesystem resize 2G "$SCRATCH_MNT" | _filter_scratch +# Try to shrink away the area occupied by the swap file, which should fail. +$BTRFS_UTIL_PROG filesystem resize 1G "$SCRATCH_MNT" 2>&1 | grep -o "Text file busy" +swapoff "$swapfile" +# It should work again after swapoff. +$BTRFS_UTIL_PROG filesystem resize 1G "$SCRATCH_MNT" | _filter_scratch +_scratch_unmount + +status=0 +exit diff --git a/tests/btrfs/177.out b/tests/btrfs/177.out new file mode 100644 index 00000000..6ced01da --- /dev/null +++ b/tests/btrfs/177.out @@ -0,0 +1,6 @@ +QA output created by 177 +Resize 'SCRATCH_MNT' of '2G' +Resize 'SCRATCH_MNT' of '3G' +Resize 'SCRATCH_MNT' of '2G' +Text file busy +Resize 'SCRATCH_MNT' of '1G' diff --git a/tests/btrfs/group b/tests/btrfs/group index 3562420b..0b62e58a 100644 --- a/tests/btrfs/group +++ b/tests/btrfs/group @@ -179,3 +179,4 @@ 174 auto quick swap 175 auto quick swap 176 auto quick swap +177 auto quick swap