From e7291a6d1a807d1391ebf2c4c259681fec149adb Mon Sep 17 00:00:00 2001 From: Lai Siyao Date: Thu, 27 Oct 2016 18:11:43 -0400 Subject: [PATCH] staging: lustre: dne: setdirstripe should fail if not supported 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 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6661 Reviewed-on: http://review.whamcloud.com/15123 Reviewed-by: James Simmons Reviewed-by: Andreas Dilger Reviewed-by: Oleg Drokin Signed-off-by: James Simmons Signed-off-by: Greg Kroah-Hartman --- drivers/staging/lustre/lustre/llite/dir.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/staging/lustre/lustre/llite/dir.c b/drivers/staging/lustre/lustre/llite/dir.c index 929c32c..6e744a5 100644 --- a/drivers/staging/lustre/lustre/llite/dir.c +++ b/drivers/staging/lustre/lustre/llite/dir.c @@ -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); -- 2.7.4