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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
..
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
configfs_internal.h configfs: calculate the symlink target only once 2019-09-11 12:46:14 +02:00
dir.c configfs: calculate the symlink target only once 2019-09-11 12:46:14 +02:00
file.c configfs: provide exclusion between IO and removals 2019-09-04 22:33:51 +02:00
inode.c configfs updates for 5.4: 2019-09-19 13:09:28 -07:00
item.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
mount.c configfs: calculate the symlink target only once 2019-09-11 12:46:14 +02:00
symlink.c configfs: calculate the depth of parent item 2019-11-06 18:36:01 +01:00