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Honggang Li e2f238f7d5 configfs: calculate the depth of parent item
When create symbolic link, create_link should calculate the depth
of the parent item. However, both the first and second parameters
of configfs_get_target_path had been set to the target. Broken
symbolic link created.

$ targetcli ls /
o- / ............................................................. [...]
  o- backstores .................................................. [...]
  | o- block ...................................... [Storage Objects: 0]
  | o- fileio ..................................... [Storage Objects: 2]
  | | o- vdev0 .......... [/dev/ramdisk1 (16.0MiB) write-thru activated]
  | | | o- alua ....................................... [ALUA Groups: 1]
  | | |   o- default_tg_pt_gp ........... [ALUA state: Active/optimized]
  | | o- vdev1 .......... [/dev/ramdisk2 (16.0MiB) write-thru activated]
  | |   o- alua ....................................... [ALUA Groups: 1]
  | |     o- default_tg_pt_gp ........... [ALUA state: Active/optimized]
  | o- pscsi ...................................... [Storage Objects: 0]
  | o- ramdisk .................................... [Storage Objects: 0]
  o- iscsi ................................................ [Targets: 0]
  o- loopback ............................................. [Targets: 0]
  o- srpt ................................................. [Targets: 2]
  | o- ib.e89a8f91cb3200000000000000000000 ............... [no-gen-acls]
  | | o- acls ................................................ [ACLs: 2]
  | | | o- ib.e89a8f91cb3200000000000000000000 ........ [Mapped LUNs: 2]
  | | | | o- mapped_lun0 ............................. [BROKEN LUN LINK]
  | | | | o- mapped_lun1 ............................. [BROKEN LUN LINK]
  | | | o- ib.e89a8f91cb3300000000000000000000 ........ [Mapped LUNs: 2]
  | | |   o- mapped_lun0 ............................. [BROKEN LUN LINK]
  | | |   o- mapped_lun1 ............................. [BROKEN LUN LINK]
  | | o- luns ................................................ [LUNs: 2]
  | |   o- lun0 ...... [fileio/vdev0 (/dev/ramdisk1) (default_tg_pt_gp)]
  | |   o- lun1 ...... [fileio/vdev1 (/dev/ramdisk2) (default_tg_pt_gp)]
  | o- ib.e89a8f91cb3300000000000000000000 ............... [no-gen-acls]
  |   o- acls ................................................ [ACLs: 0]
  |   o- luns ................................................ [LUNs: 0]
  o- vhost ................................................ [Targets: 0]

Fixes: e9c03af21c ("configfs: calculate the symlink target only once")
Signed-off-by: Honggang Li <honli@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2019-11-06 18:36:01 +01:00
Documentation Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-01 17:48:11 -07:00
LICENSES LICENSES: Rename other to deprecated 2019-05-03 06:34:32 -06:00
arch powerpc fixes for 5.4 #4 2019-11-02 11:08:19 -07:00
block iocost: don't nest spin_lock_irq in ioc_weight_write() 2019-10-31 11:40:57 -06:00
certs PKCS#7: Refactor verify_pkcs7_signature() 2019-08-05 18:40:18 -04:00
crypto Merge branch 'next-lockdown' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2019-09-28 08:14:15 -07:00
drivers GPIO fixes for the v5.4 series: 2019-11-05 09:23:08 -08:00
fs configfs: calculate the depth of parent item 2019-11-06 18:36:01 +01:00
include for-linus-2019-11-05 2019-11-05 09:44:02 -08:00
init Merge branch 'next-lockdown' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2019-09-28 08:14:15 -07:00
ipc ipc/sem.c: convert to use built-in RCU list checking 2019-09-25 17:51:41 -07:00
kernel for-linus-2019-11-05 2019-11-05 09:44:02 -08:00
lib lib/vdso: Make clock_getres() POSIX compliant again 2019-10-23 14:48:23 +02:00
mm mm/thp: allow dropping THP from page cache 2019-10-19 06:32:33 -04:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-01 17:48:11 -07:00
samples samples/bpf: Add a workaround for asm_inline 2019-10-03 17:37:11 +02:00
scripts Modules fixes for v5.4-rc5 2019-10-25 16:11:55 -04:00
security efi/efi_test: Lock down /dev/efi_test and require CAP_SYS_ADMIN 2019-10-31 09:40:21 +01:00
sound ALSA: timer: Fix mutex deadlock at releasing card 2019-10-30 22:54:56 +01:00
tools GPIO fixes for the v5.4 series: 2019-11-05 09:23:08 -08:00
usr kbuild: update compile-test header list for v5.4-rc2 2019-10-05 15:29:49 +09:00
virt kvm: call kvm_arch_destroy_vm if vm creation fails 2019-10-31 12:13:16 +01:00
.clang-format clang-format: Update with the latest for_each macro list 2019-08-31 10:00:51 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore Modules updates for v5.4 2019-09-22 10:34:46 -07:00
.mailmap A few MIPS fixes: 2019-10-26 19:43:12 -04:00
COPYING COPYING: use the new text with points to the license files 2018-03-23 12:41:45 -06:00
CREDITS MAINTAINERS: Remove Simon as Renesas SoC Co-Maintainer 2019-10-10 08:12:51 -07:00
Kbuild kbuild: do not descend to ./Kbuild when cleaning 2019-08-21 21:03:58 +09:00
Kconfig docs: kbuild: convert docs to ReST and rename to *.rst 2019-06-14 14:21:21 -06:00
MAINTAINERS Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-01 17:48:11 -07:00
Makefile Linux 5.4-rc6 2019-11-03 14:07:26 -08:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

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.