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Commit e7291a6d authored by Lai Siyao's avatar Lai Siyao Committed by Greg Kroah-Hartman
Browse files

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: default avatarLai 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: default avatarJames Simmons <uja.ornl@yahoo.com>
Reviewed-by: default avatarAndreas Dilger <andreas.dilger@intel.com>
Reviewed-by: default avatarOleg Drokin <oleg.drokin@intel.com>
Signed-off-by: default avatarJames Simmons <jsimmons@infradead.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 84078adb

drivers/staging/lustre/lustre/llite/dir.c

+4 −0
Original line number Diff line number Diff line
@@ -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);