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staging: lustre: dne: setdirstripe should fail if not supported

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If MDS doesn't support striped directory, creating striped directory
from a userland utility such as 'lfs setdirstripe' should fail.

Signed-off-by: Lai Siyao <lai.siyao@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6661
Reviewed-on: http://review.whamcloud.com/15123
Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Lai Siyao 2016-10-27 18:11:43 -04:00 committed by Greg Kroah-Hartman
parent 84078adb81
commit e7291a6d1a
1 changed files with 4 additions and 0 deletions
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4
drivers/staging/lustre/lustre/llite/dir.c
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@ -419,6 +419,10 @@ static int ll_dir_setdirstripe(struct inode *parent, struct lmv_user_md *lump,
PFID(ll_inode2fid(parent)), parent, dirname,
(int)lump->lum_stripe_offset, lump->lum_stripe_count);
if (lump->lum_stripe_count > 1 &&
!(exp_connect_flags(sbi->ll_md_exp) & OBD_CONNECT_DIR_STRIPE))
return -EINVAL;
if (lump->lum_magic != cpu_to_le32(LMV_USER_MAGIC))
lustre_swab_lmv_user_md(lump);