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Filename Latest commit message Latest commit date
Josef Bacik 3bb51c966b btrfs: account for trans_block_rsv in may_commit_transaction
[ Upstream commit bb4f58a747f0421b10645fbf75a6acc88da0de50 ]

On ppc64le with 64k page size (respectively 64k block size) generic/320
was failing and debug output showed we were getting a premature ENOSPC
with a bunch of space in btrfs_fs_info::trans_block_rsv.

This meant there were still open transaction handles holding space, yet
the flusher didn't commit the transaction because it deemed the freed
space won't be enough to satisfy the current reserve ticket. Fix this
by accounting for space in trans_block_rsv when deciding whether the
current transaction should be committed or not.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Tested-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-06-22 09:30:55 +02:00
arch mips: Fix cpu_has_mips64r1/2 activation for MIPS32 CPUs 2020-06-22 09:30:55 +02:00
block block: reset mapping if failed to update hardware queue count 2020-06-22 09:30:53 +02:00
certs
crypto crypto: drbg - fix error return code in drbg_alloc_state() 2020-06-17 16:40:31 +02:00
Documentation lib/lzo: fix ambiguous encoding bug in lzo-rle 2020-06-17 16:40:28 +02:00
drivers media: dvbdev: Fix tuner->demod media controller link 2020-06-22 09:30:55 +02:00
fs btrfs: account for trans_block_rsv in may_commit_transaction 2020-06-22 09:30:55 +02:00
include dccp: Fix possible memleak in dccp_init and dccp_fini 2020-06-17 16:40:32 +02:00
init
ipc
kernel kgdb: Prevent infinite recursive entries to the debugger 2020-06-22 09:30:54 +02:00
lib lib/lzo: fix ambiguous encoding bug in lzo-rle 2020-06-17 16:40:28 +02:00
LICENSES
mm mm/slub: fix a memory leak in sysfs_slab_add() 2020-06-17 16:40:36 +02:00
net Bluetooth: Add SCO fallback for invalid LMP parameters error 2020-06-22 09:30:54 +02:00
samples
scripts bpf: Support llvm-objcopy for vmlinux BTF 2020-06-17 16:40:20 +02:00
security lockdown: Allow unprivileged users to see lockdown status 2020-06-22 09:30:53 +02:00
sound ALSA: usb-audio: Add vendor, product and profile name for HP Thunderbolt Dock 2020-06-17 16:40:28 +02:00
tools libbpf: Fix memory leak and possible double-free in hashmap__clear 2020-06-22 09:30:51 +02:00
usr
virt KVM: arm64: Save the host's PtrAuth keys in non-preemptible context 2020-06-17 16:40:38 +02:00
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COPYING
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MAINTAINERS
Makefile Linux 5.4.47 2020-06-17 16:40:38 +02:00
README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.