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[PATCH OLK-6.6 00/14] LoongArch: fix some known issue and update defconfig
by Hongchen Zhang 27 Feb '24

27 Feb '24

Bibo Mao (1): LoongArch: Implement constant timer shutdown interface Chong Qiao (1): irqchip/loongson-pch-pic: 7a1000 int_clear reg must use 64bit write. Hongchen Zhang (3): LoongArch: fix compile error caused by arch_trigger_cpumask_backtrace usb: xhci: add XHCI_NO_SOFT_RETRY quirk for EJ188 net: stmmac: fix potential double free of dma descriptor resources Huacai Chen (1): drm/radeon: Workaround radeon driver bug for Loongson Jianmin Lv (1): LoongArch: Remove generic irq migration Tianli Xiong (1): irqchip/loongson-liointc: Set different isr for differnt core Yingkun Meng (1): LoongArch: defconfig: Enable a large number of configurations Youling Tang (4): LoongArch: kdump: Add memory reservation for old kernel LoongArch: kexec: Add compatibility with old interfaces LoongArch: Fix kdump failure on v40 interface specification LoongArch: kdump: Add high memory reservation zhangtianyang (1): LoongArch: Adapted SECTION_SIZE_BITS with page size arch/loongarch/Kconfig | 1 - arch/loongarch/configs/loongson3_defconfig | 1577 +++++++++++++++-- arch/loongarch/include/asm/irq.h | 3 +- arch/loongarch/include/asm/sparsemem.h | 2 +- arch/loongarch/kernel/irq.c | 36 + arch/loongarch/kernel/machine_kexec.c | 45 +- arch/loongarch/kernel/process.c | 3 +- arch/loongarch/kernel/setup.c | 94 +- arch/loongarch/kernel/smp.c | 3 +- arch/loongarch/kernel/time.c | 23 +- drivers/gpu/drm/radeon/cik.c | 3 + drivers/gpu/drm/radeon/evergreen.c | 3 + drivers/gpu/drm/radeon/r600.c | 3 + drivers/gpu/drm/radeon/si.c | 3 + drivers/irqchip/irq-loongson-liointc.c | 4 +- drivers/irqchip/irq-loongson-pch-pic.c | 16 +- .../net/ethernet/stmicro/stmmac/stmmac_main.c | 11 + drivers/usb/host/xhci-pci.c | 6 + kernel/irq/Kconfig | 4 +- 19 files changed, 1639 insertions(+), 201 deletions(-) -- 2.33.0

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[PATCH OLK-5.10] tls: fix race between tx work scheduling and socket close
by Zhengchao Shao 27 Feb '24

27 Feb '24

From: Jakub Kicinski <kuba(a)kernel.org> mainline inclusion from mainline-v6.8-rc5 commit e01e3934a1b2d122919f73bc6ddbe1cdafc4bbdb category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/I92REM CVE: CVE-2024-26585 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… -------------------------------- Similarly to previous commit, the submitting thread (recvmsg/sendmsg) may exit as soon as the async crypto handler calls complete(). Reorder scheduling the work before calling complete(). This seems more logical in the first place, as it's the inverse order of what the submitting thread will do. Reported-by: valis <sec(a)valis.email> Fixes: a42055e8d2c3 ("net/tls: Add support for async encryption of records for performance") Signed-off-by: Jakub Kicinski <kuba(a)kernel.org> Reviewed-by: Simon Horman <horms(a)kernel.org> Reviewed-by: Sabrina Dubroca <sd(a)queasysnail.net> Signed-off-by: David S. Miller <davem(a)davemloft.net> Conflicts: net/tls/tls_sw.c Signed-off-by: Zhengchao Shao <shaozhengchao(a)huawei.com> --- net/tls/tls_sw.c | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-) diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c index 84e1f2af1a83..e2f4cc5c85bb 100644 --- a/net/tls/tls_sw.c +++ b/net/tls/tls_sw.c @@ -443,7 +443,6 @@ static void tls_encrypt_done(struct crypto_async_request *req, int err) struct scatterlist *sge; struct sk_msg *msg_en; struct tls_rec *rec; - bool ready = false; int pending; rec = container_of(aead_req, struct tls_rec, aead_req); @@ -475,8 +474,12 @@ static void tls_encrypt_done(struct crypto_async_request *req, int err) /* If received record is at head of tx_list, schedule tx */ first_rec = list_first_entry(&ctx->tx_list, struct tls_rec, list); - if (rec == first_rec) - ready = true; + if (rec == first_rec) { + /* Schedule the transmission */ + if (!test_and_set_bit(BIT_TX_SCHEDULED, + &ctx->tx_bitmask)) + schedule_delayed_work(&ctx->tx_work.work, 1); + } } spin_lock_bh(&ctx->encrypt_compl_lock); @@ -485,13 +488,6 @@ static void tls_encrypt_done(struct crypto_async_request *req, int err) if (!pending && ctx->async_notify) complete(&ctx->async_wait.completion); spin_unlock_bh(&ctx->encrypt_compl_lock); - - if (!ready) - return; - - /* Schedule the transmission */ - if (!test_and_set_bit(BIT_TX_SCHEDULED, &ctx->tx_bitmask)) - schedule_delayed_work(&ctx->tx_work.work, 1); } static int tls_do_encryption(struct sock *sk, -- 2.34.1

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[PATCH openEuler-1.0-LTS V2 0/2] Remove WQ_FLAG_BOOKMARK flag
by Zizhi Wo 26 Feb '24

26 Feb '24

Fix softlockup by removing the wait_queue flag: WQ_FLAG_BOOKMARK. Matthew Wilcox (Oracle) (2): filemap: remove use of wait bookmarks sched: remove wait bookmarks include/linux/wait.h | 3 --- kernel/sched/wait.c | 57 ++++++-------------------------------------- mm/filemap.c | 21 +--------------- 3 files changed, 8 insertions(+), 73 deletions(-) -- 2.39.2

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[PATCH OLK-6.6 0/4] kabi: reserve space for arch related
by Liao Chen 26 Feb '24

26 Feb '24

kabi: reserve space for struct irq_work kabi: reserve space for struct irq_domain kabi: reserve space for enum irq_domain_bus_token kabi: reserve space for struct mfd_cell Liao Chen (4): kabi: reserve space for struct irq_work kabi: reserve space for struct irq_domain kabi: reserve space for enum irq_domain_bus_token kabi: reserve space for struct mfd_cell include/linux/irq_work.h | 5 +++++ include/linux/irqdomain.h | 4 ++++ include/linux/irqdomain_defs.h | 8 ++++++++ include/linux/mfd/core.h | 6 ++++++ 4 files changed, 23 insertions(+) -- 2.34.1

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[PATCH OLK-6.6 0/5] Support PV sched feature
by lishusen 26 Feb '24

26 Feb '24

PV sched supports the vCPU preemption check to enhance lock performance on overcommitted hosts Zengruan Ye (5): KVM: arm64: Document PV-sched interface KVM: arm64: Implement PV_SCHED_FEATURES call KVM: arm64: Support pvsched preempted via shared structure KVM: arm64: Add interface to support vCPU preempted check KVM: arm64: Support the vCPU preemption check Documentation/virt/kvm/arm/pvsched.rst | 58 ++++++++++++++ arch/arm64/Kconfig | 11 +++ arch/arm64/configs/openeuler_defconfig | 1 + arch/arm64/include/asm/kvm_host.h | 32 ++++++++ arch/arm64/include/asm/paravirt.h | 11 +++ arch/arm64/include/asm/pvsched-abi.h | 16 ++++ arch/arm64/include/asm/spinlock.h | 8 ++ arch/arm64/kernel/Makefile | 2 +- arch/arm64/kernel/paravirt-spinlocks.c | 16 ++++ arch/arm64/kernel/paravirt.c | 107 +++++++++++++++++++++++++ arch/arm64/kvm/Makefile | 2 +- arch/arm64/kvm/arm.c | 11 +++ arch/arm64/kvm/hypercalls.c | 17 ++++ arch/arm64/kvm/pvsched.c | 54 +++++++++++++ include/linux/arm-smccc.h | 19 +++++ include/linux/cpuhotplug.h | 1 + 16 files changed, 364 insertions(+), 2 deletions(-) create mode 100644 Documentation/virt/kvm/arm/pvsched.rst create mode 100644 arch/arm64/include/asm/pvsched-abi.h create mode 100644 arch/arm64/kernel/paravirt-spinlocks.c create mode 100644 arch/arm64/kvm/pvsched.c -- 2.33.0

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[PATCH OLK-5.10] iomap: add support to track dirty state of sub pages
by Yu Kuai 26 Feb '24

26 Feb '24

hulk inclusion category: performance bugzilla: https://gitee.com/openeuler/kernel/issues/I93TU0 CVE: NA ------------------------------------------ commit 9dc55f1389f9 ("iomap: add support for sub-pagesize buffered I/O without buffer heads") replace the per-block structure buffer_head with the per-page structure iomap_page. However, iomap_page can't track the dirty state of sub pages, which will cause performance issue since sub pages will be writeback even if they are not dirty. For example, if block size is 4k and page size is 64k: dd if=/dev/zero of=testfile bs=4k count=16 oflag=sync With buffer_head implementation, the above dd cmd will writeback 4k in each round. However, with iomap_page implementation, the range of writeback in each round is from the start of the page to the end offset we just wrote. Thus add support to track dirty state in iomap_page. test environment: platform: arm64 pagesize: 64k blocksize: 4k test case: dd if=/dev/zero of=/mnt/testfile bs=1M count=128 fio --ioengine=sync --rw=randwrite --iodepth=64 --name=test \ --filename=/mnt/testfile --bs=4k --fsync=1 The test result is: xfs with patch: WRITE: bw=4609KiB/s (4720kB/s) xfs without patch WRITE: bw=2714KiB/s (2780kB/s) ext4: WRITE: bw=3840KiB/s (3932kB/s) Signed-off-by: Yu Kuai <yukuai3(a)huawei.com> --- fs/iomap/buffered-io.c | 85 +++++++++++++++++++++++++++++++++--------- 1 file changed, 68 insertions(+), 17 deletions(-) diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c index d9092aa5c3fb..73524df884bb 100644 --- a/fs/iomap/buffered-io.c +++ b/fs/iomap/buffered-io.c @@ -25,13 +25,13 @@ /* * Structure allocated for each page or THP when block size < page size - * to track sub-page uptodate status and I/O completions. + * to track sub-page uptodate and dirty status and I/O completions. */ struct iomap_page { atomic_t read_bytes_pending; atomic_t write_bytes_pending; - spinlock_t uptodate_lock; - unsigned long uptodate[]; + spinlock_t state_lock; + unsigned long state[]; }; static inline struct iomap_page *to_iomap_page(struct page *page) @@ -59,11 +59,13 @@ iomap_page_create(struct inode *inode, struct page *page) if (iop || nr_blocks <= 1) return iop; - iop = kzalloc(struct_size(iop, uptodate, BITS_TO_LONGS(nr_blocks)), + iop = kzalloc(struct_size(iop, state, BITS_TO_LONGS(2 * nr_blocks)), GFP_NOFS | __GFP_NOFAIL); - spin_lock_init(&iop->uptodate_lock); + spin_lock_init(&iop->state_lock); if (PageUptodate(page)) - bitmap_fill(iop->uptodate, nr_blocks); + bitmap_set(iop->state, 0, nr_blocks); + if (PageDirty(page)) + bitmap_set(iop->state, nr_blocks, nr_blocks); attach_page_private(page, iop); return iop; } @@ -78,7 +80,7 @@ iomap_page_release(struct page *page) return; WARN_ON_ONCE(atomic_read(&iop->read_bytes_pending)); WARN_ON_ONCE(atomic_read(&iop->write_bytes_pending)); - WARN_ON_ONCE(bitmap_full(iop->uptodate, nr_blocks) != + WARN_ON_ONCE(bitmap_full(iop->state, nr_blocks) != PageUptodate(page)); kfree(iop); } @@ -109,7 +111,7 @@ iomap_adjust_read_range(struct inode *inode, struct iomap_page *iop, /* move forward for each leading block marked uptodate */ for (i = first; i <= last; i++) { - if (!test_bit(i, iop->uptodate)) + if (!test_bit(i, iop->state)) break; *pos += block_size; poff += block_size; @@ -119,7 +121,7 @@ iomap_adjust_read_range(struct inode *inode, struct iomap_page *iop, /* truncate len if we find any trailing uptodate block(s) */ for ( ; i <= last; i++) { - if (test_bit(i, iop->uptodate)) { + if (test_bit(i, iop->state)) { plen -= (last - i + 1) * block_size; last = i - 1; break; @@ -143,6 +145,53 @@ iomap_adjust_read_range(struct inode *inode, struct iomap_page *iop, *lenp = plen; } +static void +iomap_set_range_dirty(struct page *page, unsigned int off, unsigned int len) +{ + struct inode *inode = page->mapping->host; + unsigned int nr_blocks = i_blocks_per_page(inode, page); + unsigned int first = off >> inode->i_blkbits; + unsigned int last = (off + len - 1) >> inode->i_blkbits; + unsigned long flags; + struct iomap_page *iop; + + if (PageError(page)) + return; + + if (len) + iomap_set_page_dirty(page); + + if (!page_has_private(page)) + return; + + iop = to_iomap_page(page); + spin_lock_irqsave(&iop->state_lock, flags); + bitmap_set(iop->state, first + nr_blocks, last - first + 1); + spin_unlock_irqrestore(&iop->state_lock, flags); +} + +static void +iomap_clear_range_dirty(struct page *page, unsigned int off, unsigned int len) +{ + struct inode *inode = page->mapping->host; + unsigned int nr_blocks = i_blocks_per_page(inode, page); + unsigned int first = off >> inode->i_blkbits; + unsigned int last = (off + len - 1) >> inode->i_blkbits; + unsigned long flags; + struct iomap_page *iop; + + if (PageError(page)) + return; + + if (!page_has_private(page)) + return; + + iop = to_iomap_page(page); + spin_lock_irqsave(&iop->state_lock, flags); + bitmap_clear(iop->state, first + nr_blocks, last - first + 1); + spin_unlock_irqrestore(&iop->state_lock, flags); +} + static void iomap_iop_set_range_uptodate(struct page *page, unsigned off, unsigned len) { @@ -152,11 +201,11 @@ iomap_iop_set_range_uptodate(struct page *page, unsigned off, unsigned len) unsigned last = (off + len - 1) >> inode->i_blkbits; unsigned long flags; - spin_lock_irqsave(&iop->uptodate_lock, flags); - bitmap_set(iop->uptodate, first, last - first + 1); - if (bitmap_full(iop->uptodate, i_blocks_per_page(inode, page))) + spin_lock_irqsave(&iop->state_lock, flags); + bitmap_set(iop->state, first, last - first + 1); + if (bitmap_full(iop->state, i_blocks_per_page(inode, page))) SetPageUptodate(page); - spin_unlock_irqrestore(&iop->uptodate_lock, flags); + spin_unlock_irqrestore(&iop->state_lock, flags); } static void @@ -451,7 +500,7 @@ iomap_is_partially_uptodate(struct page *page, unsigned long from, if (iop) { for (i = first; i <= last; i++) - if (!test_bit(i, iop->uptodate)) + if (!test_bit(i, iop->state)) return 0; return 1; } @@ -708,7 +757,7 @@ static size_t __iomap_write_end(struct inode *inode, loff_t pos, size_t len, if (unlikely(copied < len && !PageUptodate(page))) return 0; iomap_set_range_uptodate(page, offset_in_page(pos), len); - iomap_set_page_dirty(page); + iomap_set_range_dirty(page, offset_in_page(pos), len); return copied; } @@ -1024,7 +1073,7 @@ iomap_page_mkwrite_actor(struct inode *inode, loff_t pos, loff_t length, block_commit_write(page, 0, length); } else { WARN_ON_ONCE(!PageUptodate(page)); - set_page_dirty(page); + iomap_set_range_dirty(page, offset_in_page(pos), length); } return length; @@ -1407,6 +1456,7 @@ iomap_writepage_map(struct iomap_writepage_ctx *wpc, { struct iomap_page *iop = iomap_page_create(inode, page); struct iomap_ioend *ioend, *next; + unsigned int nr_blocks = i_blocks_per_page(inode, page); unsigned len = i_blocksize(inode); u64 file_offset; /* file offset of page */ int error = 0, count = 0, i; @@ -1422,7 +1472,7 @@ iomap_writepage_map(struct iomap_writepage_ctx *wpc, for (i = 0, file_offset = page_offset(page); i < (PAGE_SIZE >> inode->i_blkbits) && file_offset < end_offset; i++, file_offset += len) { - if (iop && !test_bit(i, iop->uptodate)) + if (iop && !test_bit(i + nr_blocks, iop->state)) continue; error = wpc->ops->map_blocks(wpc, inode, file_offset); @@ -1465,6 +1515,7 @@ iomap_writepage_map(struct iomap_writepage_ctx *wpc, } } + iomap_clear_range_dirty(page, 0, PAGE_SIZE); set_page_writeback(page); unlock_page(page); -- 2.39.2

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[PATCH OLK-6.6 0/9] Support PV sched feature
by lishusen 26 Feb '24

26 Feb '24

PV sched supports the vCPU preemption check to enhance lock performance on overcommitted hosts Zengruan Ye (5): KVM: arm64: Document PV-sched interface KVM: arm64: Implement PV_SCHED_FEATURES call KVM: arm64: Support pvsched preempted via shared structure KVM: arm64: Add interface to support vCPU preempted check KVM: arm64: Support the vCPU preemption check Documentation/virt/kvm/arm/pvsched.rst | 58 ++++++++++++++ arch/arm64/Kconfig | 11 +++ arch/arm64/configs/openeuler_defconfig | 1 + arch/arm64/include/asm/kvm_host.h | 32 ++++++++ arch/arm64/include/asm/paravirt.h | 11 +++ arch/arm64/include/asm/pvsched-abi.h | 16 ++++ arch/arm64/include/asm/spinlock.h | 8 ++ arch/arm64/kernel/Makefile | 2 +- arch/arm64/kernel/paravirt-spinlocks.c | 16 ++++ arch/arm64/kernel/paravirt.c | 107 +++++++++++++++++++++++++ arch/arm64/kvm/Makefile | 2 +- arch/arm64/kvm/arm.c | 11 +++ arch/arm64/kvm/hypercalls.c | 17 ++++ arch/arm64/kvm/pvsched.c | 54 +++++++++++++ include/linux/arm-smccc.h | 19 +++++ include/linux/cpuhotplug.h | 1 + 16 files changed, 364 insertions(+), 2 deletions(-) create mode 100644 Documentation/virt/kvm/arm/pvsched.rst create mode 100644 arch/arm64/include/asm/pvsched-abi.h create mode 100644 arch/arm64/kernel/paravirt-spinlocks.c create mode 100644 arch/arm64/kvm/pvsched.c -- 2.33.0

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[PATCH v1 OLK-6.6 0/3] The workqueue created by iscsi can automatically identify the CPU of the soft interrupt currently processed by iscsi, and automatically schedule the workqueue to the corresponding NUMA node.
by jiangdongxu 26 Feb '24

26 Feb '24

From: shaodenghui <shaodenghui(a)huawei.com> When the current downstream FS tests IPSAN, it is found that the performance on ARM is much worse than that on X86, and the test data of IPSAN fluctuates greatly. After analysis, the reason is that when iscsi issues IO, the task is sent to kworker for processing by iscsi_xmitworker. shaodenghui (3): iscsi: add member for NUMA aware order workqueue workqueue: implement NUMA affinity for single thread workqueue iscsi: use dynamic single thread workqueue to improve performance drivers/scsi/iscsi_tcp.c | 9 +++++++++ drivers/scsi/libiscsi.c | 17 ++++++++++++----- include/linux/workqueue.h | 1 + include/scsi/libiscsi.h | 1 + kernel/workqueue.c | 15 ++++++++++----- 5 files changed, 33 insertions(+), 10 deletions(-) -- 2.33.0

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[PATCH v1 OLK-6.6 1/3] iscsi: add member for NUMA aware order workqueue
by jiangdongxu 26 Feb '24

26 Feb '24

From: shaodenghui <shaodenghui(a)huawei.com> euleros inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I4IZNO CVE: NA ------------------------------------------------- Add member to struct iscsi_conn. Signed-off-by: Yang Yingliang <yangyingliang(a)huawei.com> Reviewed-By: Xie XiuQi <xiexiuqi(a)huawei.com> Signed-off-by: Yang Yingliang <yangyingliang(a)huawei.com> Signed-off-by: BiaoXiang Ye <yebiaoxiang(a)huawei.com> Reviewed-by: fang yi <eric.fangyi(a)huawei.com> Signed-off-by: Zheng Zengkai <zhengzengkai(a)huawei.com> Signed-off-by: shaodenghui <shaodenghui(a)huawei.com> --- include/linux/workqueue.h | 1 + include/scsi/libiscsi.h | 1 + 2 files changed, 2 insertions(+) diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h index 961909875..485c0f5b2 100644 --- a/include/linux/workqueue.h +++ b/include/linux/workqueue.h @@ -415,6 +415,7 @@ enum { __WQ_ORDERED = 1 << 17, /* internal: workqueue is ordered */ __WQ_LEGACY = 1 << 18, /* internal: create*_workqueue() */ __WQ_ORDERED_EXPLICIT = 1 << 19, /* internal: alloc_ordered_workqueue() */ + __WQ_DYNAMIC = 1 << 25, /* internal: only support single work order WQ */ WQ_MAX_ACTIVE = 512, /* I like 512, better ideas? */ WQ_UNBOUND_MAX_ACTIVE = WQ_MAX_ACTIVE, diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h index d253b82e9..ead17d222 100644 --- a/include/scsi/libiscsi.h +++ b/include/scsi/libiscsi.h @@ -266,6 +266,7 @@ struct iscsi_conn { /* custom statistics */ uint32_t eh_abort_cnt; uint32_t fmr_unalign_cnt; + int intimate_cpu; KABI_RESERVE(1) KABI_RESERVE(2) -- 2.33.0

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[PATCH openEuler-22.03-LTS-SP2] gfs2: Fix kernel NULL pointer dereference in gfs2_rgrp_dump
by Baokun Li 26 Feb '24

26 Feb '24

From: Osama Muhammad <osmtendev(a)gmail.com> stable inclusion from stable-v5.10.209 commit 5c28478af371a1c3fdb570ca67f110e1ae60fc37 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I93ODT CVE: CVE-2023-52448 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit 8877243beafa7c6bfc42022cbfdf9e39b25bd4fa ] Syzkaller has reported a NULL pointer dereference when accessing rgd->rd_rgl in gfs2_rgrp_dump(). This can happen when creating rgd->rd_gl fails in read_rindex_entry(). Add a NULL pointer check in gfs2_rgrp_dump() to prevent that. Reported-and-tested-by: syzbot+da0fc229cc1ff4bb2e6d(a)syzkaller.appspotmail.com Link: https://syzkaller.appspot.com/bug?extid=da0fc229cc1ff4bb2e6d Fixes: 72244b6bc752 ("gfs2: improve debug information when lvb mismatches are found") Signed-off-by: Osama Muhammad <osmtendev(a)gmail.com> Signed-off-by: Andreas Gruenbacher <agruenba(a)redhat.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Baokun Li <libaokun1(a)huawei.com> --- fs/gfs2/rgrp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c index c5bde789a16d..4e760a3fb661 100644 --- a/fs/gfs2/rgrp.c +++ b/fs/gfs2/rgrp.c @@ -2231,7 +2231,7 @@ void gfs2_rgrp_dump(struct seq_file *seq, struct gfs2_rgrpd *rgd, (unsigned long long)rgd->rd_addr, rgd->rd_flags, rgd->rd_free, rgd->rd_free_clone, rgd->rd_dinodes, rgd->rd_reserved, rgd->rd_extfail_pt); - if (rgd->rd_sbd->sd_args.ar_rgrplvb) { + if (rgd->rd_sbd->sd_args.ar_rgrplvb && rgd->rd_rgl) { struct gfs2_rgrp_lvb *rgl = rgd->rd_rgl; gfs2_print_dbg(seq, "%s L: f:%02x b:%u i:%u\n", fs_id_buf, -- 2.31.1

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