Linux Kernels

staging: lustre: lov: flatten struct lov_stripe_md

This change “staging: lustre: lov: flatten struct lov_stripe_md” (commit 01cd98f) in Linux kernel is authored by John L. Hammond <john.hammond [at] intel.com> on Sun Sep 18 16:38:33 2016 -0400.

Description of "staging: lustre: lov: flatten struct lov_stripe_md"

The change “staging: lustre: lov: flatten struct lov_stripe_md” introduces changes as follows.

staging: lustre: lov: flatten struct lov_stripe_md

Flatten out the lsm_wire struct from the middle of struct
lov_stripe_md and remove the member name macros.

Signed-off-by: John L. Hammond <john.hammond@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5814
Reviewed-on: http://review.whamcloud.com/12581
Reviewed-by: Bobi Jam <bobijam@gmail.com>
Reviewed-by: Jinshan Xiong <jinshan.xiong@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>

Linux kernel releases containing commit 01cd98f

The Linux kernel releases containing this commit are as follows.

Linux kernel code changes from "staging: lustre: lov: flatten struct lov_stripe_md"

There are 34 lines of Linux source code added/deleted in this change. Code changes to Linux kernel are as follows.

 drivers/staging/lustre/lustre/include/obd.h   | 30 +++++--------------
 .../lustre/lustre/lov/lov_cl_internal.h       |  4 +--
 2 files changed, 10 insertions(+), 24 deletions(-)
 
diff --git a/drivers/staging/lustre/lustre/include/obd.h b/drivers/staging/lustre/lustre/include/obd.h
index d1c4ccc941d5..8e426b88073d 100644
--- a/drivers/staging/lustre/lustre/include/obd.h
+++ b/drivers/staging/lustre/lustre/include/obd.h
@@ -88,31 +88,17 @@ struct lov_stripe_md {
 	/* maximum possible file size, might change as OSTs status changes,
 	 * e.g. disconnected, deactivated
 	 */
-	__u64	    lsm_maxbytes;
-	struct {
-		/* Public members. */
-		struct ost_id lw_object_oi; /* lov object id/seq */
-
-		/* LOV-private members start here -- only for use in lov/. */
-		__u32 lw_magic;
-		__u32 lw_stripe_size;      /* size of the stripe */
-		__u32 lw_pattern;	  /* striping pattern (RAID0, RAID1) */
-		__u16 lw_stripe_count;  /* number of objects being striped over */
-		__u16 lw_layout_gen;       /* generation of the layout */
-		char  lw_pool_name[LOV_MAXPOOLNAME + 1]; /* pool name */
-	} lsm_wire;
-
+	__u64		lsm_maxbytes;
+	struct ost_id	lsm_oi;
+	__u32		lsm_magic;
+	__u32		lsm_stripe_size;
+	__u32		lsm_pattern;	/* striping pattern (RAID0, RAID1) */
+	__u16		lsm_stripe_count;
+	__u16		lsm_layout_gen;
+	char		lsm_pool_name[LOV_MAXPOOLNAME + 1];
 	struct lov_oinfo *lsm_oinfo[0];
 };
 
-#define lsm_oi		 lsm_wire.lw_object_oi
-#define lsm_magic	lsm_wire.lw_magic
-#define lsm_layout_gen   lsm_wire.lw_layout_gen
-#define lsm_stripe_size  lsm_wire.lw_stripe_size
-#define lsm_pattern      lsm_wire.lw_pattern
-#define lsm_stripe_count lsm_wire.lw_stripe_count
-#define lsm_pool_name    lsm_wire.lw_pool_name
-
 static inline bool lsm_is_released(struct lov_stripe_md *lsm)
 {
 	return !!(lsm->lsm_pattern & LOV_PATTERN_F_RELEASED);
diff --git a/drivers/staging/lustre/lustre/lov/lov_cl_internal.h b/drivers/staging/lustre/lustre/lov/lov_cl_internal.h
index ec40cf2e4a1b..4d2b7d303fea 100644
--- a/drivers/staging/lustre/lustre/lov/lov_cl_internal.h
+++ b/drivers/staging/lustre/lustre/lov/lov_cl_internal.h
@@ -744,8 +744,8 @@ static inline struct lov_thread_info *lov_env_info(const struct lu_env *env)
 static inline struct lov_layout_raid0 *lov_r0(struct lov_object *lov)
 {
 	LASSERT(lov->lo_type == LLT_RAID0);
-	LASSERT(lov->lo_lsm->lsm_wire.lw_magic == LOV_MAGIC ||
-		lov->lo_lsm->lsm_wire.lw_magic == LOV_MAGIC_V3);
+	LASSERT(lov->lo_lsm->lsm_magic == LOV_MAGIC ||
+		lov->lo_lsm->lsm_magic == LOV_MAGIC_V3);
 	return &lov->u.raid0;
 }
 

The commit for this change in Linux stable tree is 01cd98f (patch).

Last modified: 2020/01/11 09:26