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Date: Tue, 12 Sep 2023 10:39:51 -0700
Subject: [GIT PULL 4/8] xfs: fix EFI recovery livelocks
From: "Darrick J. Wong" <djwong@kernel.org>
To: chandan.babu@gmail.com, djwong@kernel.org
Cc: david@fromorbit.com, dchinner@redhat.com,
linux-xfs@vger.kernel.org, srikanth.c.s@oracle.com,
wen.gang.wang@oracle.com
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| Series |
[GIT,PULL,1/8] xfs: fix fsmap cursor handling
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Hi Chandan, Please pull this branch with changes. As usual, I did a test-merge with the main upstream branch as of a few minutes ago, and didn't see any conflicts. Please let me know if you encounter any problems. --D The following changes since commit 74ad4693b6473950e971b3dc525b5ee7570e05d0: xfs: fix log recovery when unknown rocompat bits are set (2023-09-12 10:31:07 -0700) are available in the Git repository at: https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git tags/fix-efi-recovery-6.6_2023-09-12 for you to fetch changes up to 3c919b0910906cc69d76dea214776f0eac73358b: xfs: reserve less log space when recovering log intent items (2023-09-12 10:31:07 -0700) ---------------------------------------------------------------- xfs: fix EFI recovery livelocks This series fixes a customer-reported transaction reservation bug introduced ten years ago that could result in livelocks during log recovery. Log intent item recovery single-steps each step of a deferred op chain, which means that each step only needs to allocate one transaction's worth of space in the log, not an entire chain all at once. This single-stepping is critical to unpinning the log tail since there's nobody else to do it for us. This has been lightly tested with fstests. Enjoy! Signed-off-by: Darrick J. Wong <djwong@kernel.org> ---------------------------------------------------------------- Darrick J. Wong (1): xfs: reserve less log space when recovering log intent items fs/xfs/libxfs/xfs_log_recover.h | 22 ++++++++++++++++++++++ fs/xfs/xfs_attr_item.c | 7 ++++--- fs/xfs/xfs_bmap_item.c | 4 +++- fs/xfs/xfs_extfree_item.c | 4 +++- fs/xfs/xfs_refcount_item.c | 6 ++++-- fs/xfs/xfs_rmap_item.c | 6 ++++-- 6 files changed, 40 insertions(+), 9 deletions(-)