linux/linux-apfs
1
0 Fork 0
mirror of https://github.com/linux-apfs/linux-apfs.git synced 2026-08-18 02:22:47 -07:00
Code Issues Packages Projects Releases Wiki Activity

Merge tag 'dm-4.6-fix-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Browse Source 
Pull device mapper fix from Mike Snitzer:
 "Fix for earlier 4.6-rc4 stable@ commit that introduced improper use of
  write lock in cmd_read_lock() -- due to cut-n-paste gone awry (and
  sparse didn't catch it)"

* tag 'dm-4.6-fix-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm cache metadata: fix cmd_read_lock() acquiring write lock
This commit is contained in:
Linus Torvalds committed 2016-04-17 12:30:06 -07:00
2 parents b9f5dba225 6545b60baa
commit 9d090d01e3
1 file changed
+2 -2
Download Patch File Download Diff File Expand all files Collapse all files
drivers/md/dm-cache-metadata.c
+2 -2
View File
@@ -894,9 +894,9 @@ static bool cmd_write_lock(struct dm_cache_metadata *cmd)
static bool cmd_read_lock(struct dm_cache_metadata *cmd)
{
down_write(&cmd->root_lock);
down_read(&cmd->root_lock);
if (cmd->fail_io) {
up_write(&cmd->root_lock);
up_read(&cmd->root_lock);
return false;
}
return true;