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Ilya Dryomov ef9324bb11 libceph: don't go through with the mapping if the PG is too wide
With EC overwrites maturing, the kernel client will be getting exposed
to potentially very wide EC pools.  While "min(pi->size, X)" works fine
when the cluster is stable and happy, truncating OSD sets interferes
with resend logic (ceph_is_new_interval(), etc).  Abort the mapping if
the pool is too wide, assigning the request to the homeless session.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Sage Weil <sage@redhat.com>
2017-02-20 12:16:11 +01:00
Documentation ceph: set io_pages bdi hint 2017-02-20 12:16:05 +01:00
arch ARM: SoC fixes for v4.10 2017-02-18 17:38:09 -08:00
block cfq-iosched: don't call wbt_disable_default() with IRQs disabled 2017-02-16 08:02:06 -07:00
certs certs: Add a secondary system keyring that can be added to dynamically 2016-04-11 22:48:09 +01:00
crypto crypto: algif_aead - Fix kernel panic on list_del 2017-02-03 17:45:48 +08:00
drivers Fix missing sanity check in /dev/sg 2017-02-19 09:54:31 -08:00
firmware WHENCE: use https://linuxtv.org for LinuxTV URLs 2015-12-04 10:35:11 -02:00
fs ceph: do a LOOKUP in d_revalidate instead of GETATTR 2017-02-20 12:16:10 +01:00
include crush: merge working data and scratch 2017-02-20 12:16:11 +01:00
init kbuild: modversions: add infrastructure for emitting relative CRCs 2017-02-03 08:28:25 -08:00
ipc ipc/sem.c: fix incorrect sem_lock pairing 2017-01-10 18:31:55 -08:00
kernel Merge branch 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-02-18 17:33:17 -08:00
lib rhashtable: Revert nested table changes. 2017-02-15 22:29:51 -05:00
mm mm/slub.c: fix random_seq offset destruction 2017-02-08 15:41:43 -08:00
net libceph: don't go through with the mapping if the PG is too wide 2017-02-20 12:16:11 +01:00
samples bpf: introduce BPF_F_ALLOW_OVERRIDE flag 2017-02-12 21:52:19 -05:00
scripts kbuild: modversions: add infrastructure for emitting relative CRCs 2017-02-03 08:28:25 -08:00
security selinux: fix off-by-one in setprocattr 2017-02-08 19:09:53 +11:00
sound ALSA: hda - adding a new NV HDMI/DP codec ID in the driver 2017-02-09 08:57:47 +01:00
tools Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-02-16 08:37:18 -08:00
usr kbuild: initramfs cleanup, set target from Kconfig 2017-01-05 09:40:16 -08:00
virt KVM/ARM updates for 4.10-rc4 2017-01-17 15:04:59 +01:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore Add hch to .get_maintainer.ignore 2015-08-21 14:30:10 -07:00
.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild 2016-08-02 16:48:52 -04:00
.mailmap mailmap: add codeaurora.org names for nameless email commits 2017-01-10 18:31:55 -08:00
COPYING
CREDITS MAINTAINERS: Remove old e-mail address 2017-02-13 12:24:56 -05:00
Kbuild scripts/gdb: provide linux constants 2016-05-23 17:04:14 -07:00
Kconfig
MAINTAINERS MAINTAINERS: Remove old e-mail address 2017-02-13 12:24:56 -05:00
Makefile Linux 4.10 2017-02-19 14:34:00 -08:00
README README: add a new README file, pointing to the Documentation/ 2016-10-24 08:12:35 -02:00

README

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

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

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.