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Filename Latest commit message Latest commit date
Andreas Gruenbacher 208200e573 gfs2: Fix filesystem block deallocation for short writes
[ Upstream commit d031a8866e709c9d1ee5537a321b6192b4d2dc5b ]

When a write cannot be carried out in full, gfs2_iomap_end() releases
blocks that have been allocated for this write but haven't been used.

To compute the end of the allocation, gfs2_iomap_end() incorrectly
rounded the end of the attempted write down to the next block boundary
to arrive at the end of the allocation.  It would have to round up, but
the end of the allocation is also available as iomap->offset +
iomap->length, so just use that instead.

In addition, use round_up() for computing the start of the unused range.

Fixes: 64bc06bb32 ("gfs2: iomap buffered write support")
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-05-18 09:47:26 +02:00
arch KVM: x86/svm: Account for family 17h event renumberings in amd_pmc_perf_hw_id 2022-05-15 19:54:47 +02:00
block block-map: add __GFP_ZERO flag for alloc_page in function bio_copy_kern 2022-05-12 12:23:48 +02:00
certs
crypto crypto: authenc - Fix sleep in atomic context in decrypt_tail 2022-04-15 14:18:04 +02:00
Documentation arm: remove CONFIG_ARCH_HAS_HOLES_MEMORYMODEL 2022-05-15 19:54:46 +02:00
drivers net: sfc: ef10: fix memory leak in efx_ef10_mtd_probe() 2022-05-18 09:47:26 +02:00
fs gfs2: Fix filesystem block deallocation for short writes 2022-05-18 09:47:26 +02:00
include net/sched: act_pedit: really ensure the skb is writable 2022-05-18 09:47:25 +02:00
init init/main.c: return 1 from handled __setup() functions 2022-04-15 14:18:35 +02:00
ipc shm: extend forced shm destroy to support objects from several IPC nses 2021-12-01 09:23:35 +01:00
kernel genirq: Synchronize interrupt thread startup 2022-05-12 12:23:41 +02:00
lib dim: initialize all struct fields 2022-05-18 09:47:25 +02:00
LICENSES
mm mm: userfaultfd: fix missing cache flush in mcopy_atomic_pte() and __mcopy_atomic() 2022-05-15 19:54:47 +02:00
net net/smc: non blocking recvmsg() return -EAGAIN when no data and signal_pending 2022-05-18 09:47:25 +02:00
samples samples/kretprobes: Fix return value if register_kretprobe() failed 2021-11-17 09:48:39 +01:00
scripts gcc-plugins: latent_entropy: use /dev/urandom 2022-04-20 09:19:38 +02:00
security Fix incorrect type in assignment of ipv6 port for audit 2022-04-15 14:18:22 +02:00
sound ALSA: pcm: Fix potential AB/BA lock with buffer_mutex and mmap_lock 2022-05-12 12:23:49 +02:00
tools x86: xen: insn: Decode Xen and KVM emulate-prefix signature 2022-05-15 19:54:47 +02:00
usr
virt KVM: Prevent module exit until all VMs are freed 2022-04-15 14:18:27 +02:00
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Makefile Linux 5.4.194 2022-05-15 19:54:48 +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.