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Commit 1c12cf63 authored by wang di's avatar wang di Committed by Greg Kroah-Hartman
Browse files

staging: lustre: llite: cache directory striping information 



Cache directory striping information that the clients receive
from the metadata servers.

Signed-off-by: default avatarwang di <di.wang@intel.com>
Reviewed-on: http://review.whamcloud.com/7043
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3531


Reviewed-by: default avatarJohn L. Hammond <john.hammond@intel.com>
Reviewed-by: default avatarJinshan Xiong <jinshan.xiong@intel.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 c55459a2

drivers/staging/lustre/lustre/llite/llite_internal.h

+3 −0
Original line number Diff line number Diff line
@@ -173,6 +173,8 @@ struct ll_inode_info { 
			 * -- I am the owner of dir statahead.

			 */

			pid_t			   d_opendir_pid;

			/* directory stripe information */

			struct lmv_stripe_md		*d_lmv_md;

		} d;



#define lli_readdir_mutex       u.d.d_readdir_mutex
@@ -180,6 +182,7 @@ struct ll_inode_info { 
#define lli_sai		 u.d.d_sai

#define lli_sa_lock	     u.d.d_sa_lock

#define lli_opendir_pid	 u.d.d_opendir_pid

#define lli_lmv_md		u.d.d_lmv_md



		/* for non-directory */

		struct {

drivers/staging/lustre/lustre/llite/llite_lib.c

+13 −2
Original line number Diff line number Diff line
@@ -2090,11 +2090,22 @@ struct md_op_data *ll_prep_md_op_data(struct md_op_data *op_data, 


	ll_i2gids(op_data->op_suppgids, i1, i2);

	op_data->op_fid1 = *ll_inode2fid(i1);

	if (S_ISDIR(i1->i_mode))

		op_data->op_mea1 = ll_i2info(i1)->lli_lmv_md;



	if (i2)

	if (i2) {

		op_data->op_fid2 = *ll_inode2fid(i2);

	else

		if (S_ISDIR(i2->i_mode))

			op_data->op_mea2 = ll_i2info(i2)->lli_lmv_md;

	} else {

		fid_zero(&op_data->op_fid2);

	}



	if (ll_i2sbi(i1)->ll_flags & LL_SBI_64BIT_HASH)

		op_data->op_cli_flags |= CLI_HASH64;



	if (ll_need_32bit_api(ll_i2sbi(i1)))

		op_data->op_cli_flags |= CLI_API32;



	op_data->op_name = name;

	op_data->op_namelen = namelen;