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authorLinus Torvalds <torvalds@linux-foundation.org>2018-05-10 11:42:01 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-05-10 11:42:01 -0700
commit94d7dbf108813ea45a91e27e9a8bd231d5a23fa7 (patch)
tree2e2dfc393b8b4332c424b0debd3dca802e6d0d66 /Documentation
parent008464a9360e31b14677457dcd976fbf9dd58e2e (diff)
parent28700a36232ba61fb6ac59466821546cb25aec69 (diff)
downloadlinux-94d7dbf108813ea45a91e27e9a8bd231d5a23fa7.tar.bz2
Merge tag 'for-4.17/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer: - a stable fix for DM integrity to use kvfree - fix for a 4.17-rc1 change to dm-bufio's buffer alignment - fixes for a few sparse warnings - remove VLA usage in DM mirror target - improve DM thinp Documentation for the "read_only" feature * tag 'for-4.17/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm thin: update Documentation to clarify when "read_only" is valid dm mirror: remove VLA usage dm: fix some sparse warnings and whitespace in dax methods dm cache background tracker: fix sparse warning dm bufio: fix buffer alignment dm integrity: use kvfree for kvmalloc'd memory
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/device-mapper/thin-provisioning.txt5
1 files changed, 4 insertions, 1 deletions
diff --git a/Documentation/device-mapper/thin-provisioning.txt b/Documentation/device-mapper/thin-provisioning.txt
index 4bcd4b7f79f9..3d01948ea061 100644
--- a/Documentation/device-mapper/thin-provisioning.txt
+++ b/Documentation/device-mapper/thin-provisioning.txt
@@ -264,7 +264,10 @@ i) Constructor
data device, but just remove the mapping.
read_only: Don't allow any changes to be made to the pool
- metadata.
+ metadata. This mode is only available after the
+ thin-pool has been created and first used in full
+ read/write mode. It cannot be specified on initial
+ thin-pool creation.
error_if_no_space: Error IOs, instead of queueing, if no space.