blkio: Fix return code for mkdir calls
authorCiju Rajan K <ciju@linux.vnet.ibm.com>
Mon, 23 Aug 2010 08:56:30 +0000 (10:56 +0200)
committerJens Axboe <jaxboe@fusionio.com>
Mon, 23 Aug 2010 08:56:30 +0000 (10:56 +0200)
commit96aa1b419d47286db446f292cf898bb1a8b27f24
tree1b7a7c5c8131374396df69fd52d02de5de06e978
parent9ee47476d6734c9deb9ae9ab05d963302f6b6150
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>
block/blk-cgroup.c