tree 1b7a7c5c8131374396df69fd52d02de5de06e978
parent 9ee47476d6734c9deb9ae9ab05d963302f6b6150
author Ciju Rajan K <ciju@linux.vnet.ibm.com> 1282553790 +0200
committer Jens Axboe <jaxboe@fusionio.com> 1282553790 +0200

blkio: Fix return code for mkdir calls

If the cgroup hierarchy for blkio control groups is deeper than two
levels, kernel should not allow the creation of further levels. mkdir
system call does not except EINVAL as a return value. This patch
replaces EINVAL with more appropriate EPERM

Signed-off-by: Ciju Rajan K <ciju@linux.vnet.ibm.com>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>