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authorLinus Torvalds <torvalds@linux-foundation.org>2020-08-03 23:31:33 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2020-08-03 23:31:33 +0200
commit8f0cb6660acb0d4756df880a3e60e73daa9c244e (patch)
tree9f14396bed65f82b94f7bb2425ffb2f0cbd4519a /fs/btrfs
parentMerge tag 'core-headers-2020-08-03' of git://git.kernel.org/pub/scm/linux/ker... (diff)
parentMerge branch 'for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/pau... (diff)
downloadlinux-8f0cb6660acb0d4756df880a3e60e73daa9c244e.tar.xz
linux-8f0cb6660acb0d4756df880a3e60e73daa9c244e.zip
Merge tag 'core-rcu-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU updates from Ingo Molnar: - kfree_rcu updates - RCU tasks updates - Read-side scalability tests - SRCU updates - Torture-test updates - Documentation updates - Miscellaneous fixes * tag 'core-rcu-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (109 commits) torture: Remove obsolete "cd $KVM" torture: Avoid duplicate specification of qemu command torture: Dump ftrace at shutdown only if requested torture: Add kvm-tranform.sh script for qemu-cmd files torture: Add more tracing crib notes to kvm.sh torture: Improve diagnostic for KCSAN-incapable compilers torture: Correctly summarize build-only runs torture: Pass --kmake-arg to all make invocations rcutorture: Check for unwatched readers torture: Abstract out console-log error detection torture: Add a stop-run capability torture: Create qemu-cmd in --buildonly runs rcu/rcutorture: Replace 0 with false torture: Add --allcpus argument to the kvm.sh script torture: Remove whitespace from identify_qemu_vcpus output rcutorture: NULL rcu_torture_current earlier in cleanup code rcutorture: Handle non-statistic bang-string error messages torture: Set configfile variable to current scenario rcutorture: Add races with task-exit processing locktorture: Use true and false to assign to bool variables ...
Diffstat (limited to 'fs/btrfs')
-rw-r--r--fs/btrfs/extent_io.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 617ea38e6fd7..6def411b2eba 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -4541,6 +4541,8 @@ next:
/* once for us */
free_extent_map(em);
+
+ cond_resched(); /* Allow large-extent preemption. */
}
}
return try_release_extent_state(tree, page, mask);