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Filename Latest commit message Latest commit date
Ernesto A. Fernández d92915c35b hfsplus: prevent btree data loss on ENOSPC
Inserting or deleting a record in a btree may require splitting several of
its nodes.  If we hit ENOSPC halfway through, the new nodes will be left
orphaned and their records will be lost.  This could mean lost inodes,
extents or xattrs.

Henceforth, check the available disk space before making any changes.
This still leaves the potential problem of corruption on ENOMEM.

The patch can be tested with xfstests generic/027.

Link: http://lkml.kernel.org/r/4596eef22fbda137b4ffa0272d92f0da15364421.1536269129.git.ernesto.mnd.fernandez@gmail.com
Signed-off-by: Ernesto A. Fernández <ernesto.mnd.fernandez@gmail.com>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-10-31 08:54:13 -07:00
arch treewide: remove current_text_addr 2018-10-31 08:54:12 -07:00
block Merge branch 'akpm' (patches from Andrew) 2018-10-26 19:33:41 -07:00
certs
crypto
Documentation The biggest change here is the updates to kprobes 2018-10-30 09:49:56 -07:00
drivers xen: fixes for 4.20-rc1 2018-10-30 09:31:07 -07:00
firmware
fs hfsplus: prevent btree data loss on ENOSPC 2018-10-31 08:54:13 -07:00
include include/linux/compat.h: mark expected switch fall-throughs 2018-10-31 08:54:13 -07:00
init init/do_mounts.c: add root=PARTLABEL=<name> support 2018-10-31 08:54:13 -07:00
ipc
kernel kernel/fail_function.c: remove meaningless null pointer check before debugfs_remove_recursive 2018-10-31 08:54:12 -07:00
lib lib/kstrtox.c: delete unnecessary casts 2018-10-31 08:54:13 -07:00
LICENSES
mm mm/gup_benchmark.c: prevent integer overflow in ioctl 2018-10-31 08:54:12 -07:00
net Pull request for inclusion in 4.20 2018-10-29 09:09:47 -07:00
samples
scripts checkpatch: remove GCC_BINARY_CONSTANT warning 2018-10-31 08:54:13 -07:00
security
sound
tools The biggest change here is the updates to kprobes 2018-10-30 09:49:56 -07:00
usr
virt Revert "mm, mmu_notifier: annotate mmu notifiers with blockable invalidate callbacks" 2018-10-26 16:25:19 -07:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap .mailmap: add Oleksij Rempel 2018-10-31 08:54:12 -07:00
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS xen: fixes for 4.20-rc1 2018-10-30 09:31:07 -07:00
Makefile Globally warn on VLA use 2018-10-28 13:26:45 -07:00
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.