File 0060-util-Introduce-md_set_array_info.patch of Package mdadm.7989

From 018a488238e2ff55d7c2fd29333c1f7305354318 Mon Sep 17 00:00:00 2001
From: Jes Sorensen <Jes.Sorensen@gmail.com>
Date: Wed, 29 Mar 2017 15:43:53 -0400
Subject: [PATCH] util: Introduce md_set_array_info()
Git-commit: 018a488238e2ff55d7c2fd29333c1f7305354318
Patch-mainline: mdadm-4.0+
References: bsc#1069165, bsc#1069167, bsc#1068030

Switch from using ioctl(SET_ARRAY_INFO) to using md_set_array_info()

Signed-off-by: Jes Sorensen <Jes.Sorensen@gmail.com>
Signed-off-by: Coly Li <colyli@suse.de>

---
 Build.c |  4 ++--
 Grow.c  | 17 ++++++++---------
 mdadm.h |  1 +
 util.c  | 12 ++++++++++--
 4 files changed, 21 insertions(+), 13 deletions(-)

diff --git a/Build.c b/Build.c
index a5fcc06..691dd6f 100644
--- a/Build.c
+++ b/Build.c
@@ -148,8 +148,8 @@ int Build(char *mddev, struct mddev_dev *devlist,
 			s->chunk = 64;
 		array.chunk_size = s->chunk*1024;
 		array.layout = s->layout;
-		if (ioctl(mdfd, SET_ARRAY_INFO, &array)) {
-			pr_err("SET_ARRAY_INFO failed for %s: %s\n",
+		if (md_set_array_info(mdfd, &array)) {
+			pr_err("md_set_array_info() failed for %s: %s\n",
 				mddev, strerror(errno));
 			goto abort;
 		}
diff --git a/Grow.c b/Grow.c
index 1c90902..af8d520 100755
--- a/Grow.c
+++ b/Grow.c
@@ -335,7 +335,7 @@ int Grow_addbitmap(char *devname, int fd, struct context *c, struct shape *s)
 	if (array.state & (1 << MD_SB_BITMAP_PRESENT)) {
 		if (strcmp(s->bitmap_file, "none")==0) {
 			array.state &= ~(1 << MD_SB_BITMAP_PRESENT);
-			if (ioctl(fd, SET_ARRAY_INFO, &array) != 0) {
+			if (md_set_array_info(fd, &array) != 0) {
 				if (array.state & (1 << MD_SB_CLUSTERED))
 					pr_err("failed to remove clustered bitmap.\n");
 				else
@@ -463,7 +463,7 @@ int Grow_addbitmap(char *devname, int fd, struct context *c, struct shape *s)
 			if (strcmp(s->bitmap_file, "clustered") == 0)
 				array.state |= (1 << MD_SB_CLUSTERED);
 			array.state |= (1 << MD_SB_BITMAP_PRESENT);
-			rv = ioctl(fd, SET_ARRAY_INFO, &array);
+			rv = md_set_array_info(fd, &array);
 		}
 		if (rv < 0) {
 			if (errno == EBUSY)
@@ -1823,7 +1823,7 @@ int Grow_reshape(char *devname, int fd,
 	    (array.state & (1<<MD_SB_BITMAP_PRESENT)) &&
 	    !(array.state & (1<<MD_SB_CLUSTERED))) {
                 array.state &= ~(1<<MD_SB_BITMAP_PRESENT);
-                if (ioctl(fd, SET_ARRAY_INFO, &array)!= 0) {
+                if (md_set_array_info(fd, &array)!= 0) {
                         pr_err("failed to remove internal bitmap.\n");
                         return 1;
                 }
@@ -2056,7 +2056,7 @@ int Grow_reshape(char *devname, int fd,
 			else
 				rv = -1;
 		} else {
-			rv = ioctl(fd, SET_ARRAY_INFO, &array);
+			rv = md_set_array_info(fd, &array);
 
 			/* manage array size when it is managed externally
 			 */
@@ -2272,7 +2272,7 @@ size_change_error:
 				goto release;
 			}
 			array.layout = info.new_layout;
-			if (ioctl(fd, SET_ARRAY_INFO, &array) != 0) {
+			if (md_set_array_info(fd, &array) != 0) {
 				pr_err("failed to set new layout\n");
 				rv = 1;
 			} else if (c->verbose >= 0)
@@ -2836,8 +2836,7 @@ static int impose_reshape(struct mdinfo *sra,
 	    st->ss->external == 0) {
 		/* use SET_ARRAY_INFO but only if reshape hasn't started */
 		array.raid_disks = reshape->after.data_disks + reshape->parity;
-		if (!restart &&
-		    ioctl(fd, SET_ARRAY_INFO, &array) != 0) {
+		if (!restart && md_set_array_info(fd, &array) != 0) {
 			int err = errno;
 
 			pr_err("Cannot set device shape for %s: %s\n",
@@ -3239,7 +3238,7 @@ static int reshape_array(char *container, int fd, char *devname,
 		if (info->new_layout != UnSet &&
 		    info->new_layout != array.layout) {
 			array.layout = info->new_layout;
-			if (ioctl(fd, SET_ARRAY_INFO, &array) != 0) {
+			if (md_set_array_info(fd, &array) != 0) {
 				pr_err("failed to set new layout\n");
 				goto release;
 			} else if (verbose >= 0)
@@ -3250,7 +3249,7 @@ static int reshape_array(char *container, int fd, char *devname,
 		    info->delta_disks != 0 &&
 		    array.raid_disks != (info->array.raid_disks + info->delta_disks)) {
 			array.raid_disks += info->delta_disks;
-			if (ioctl(fd, SET_ARRAY_INFO, &array) != 0) {
+			if (md_set_array_info(fd, &array) != 0) {
 				pr_err("failed to set raid disks\n");
 				goto release;
 			} else if (verbose >= 0) {
diff --git a/mdadm.h b/mdadm.h
index 3ab548f..084bc97 100644
--- a/mdadm.h
+++ b/mdadm.h
@@ -1406,6 +1406,7 @@ extern int Restore_metadata(char *dev, char *dir, struct context *c,
 
 extern int md_get_version(int fd);
 int md_get_array_info(int fd, struct mdu_array_info_s *array);
+int md_set_array_info(int fd, struct mdu_array_info_s *array);
 int md_get_disk_info(int fd, struct mdu_disk_info_s *disk);
 extern int get_linux_version(void);
 extern int mdadm_version(char *version);
diff --git a/util.c b/util.c
index aa27e59..9fc7ba0 100644
--- a/util.c
+++ b/util.c
@@ -221,6 +221,14 @@ int md_get_array_info(int fd, struct mdu_array_info_s *array)
 }
 
 /*
+ * Set array info
+ */
+int md_set_array_info(int fd, struct mdu_array_info_s *array)
+{
+	return ioctl(fd, SET_ARRAY_INFO, array);
+}
+
+/*
  * Get disk info from the kernel.
  */
 int md_get_disk_info(int fd, struct mdu_disk_info_s *disk)
@@ -1858,9 +1866,9 @@ int set_array_info(int mdfd, struct supertype *st, struct mdinfo *info)
 		memset(&inf, 0, sizeof(inf));
 		inf.major_version = info->array.major_version;
 		inf.minor_version = info->array.minor_version;
-		rv = ioctl(mdfd, SET_ARRAY_INFO, &inf);
+		rv = md_set_array_info(mdfd, &inf);
 	} else
-		rv = ioctl(mdfd, SET_ARRAY_INFO, NULL);
+		rv = md_set_array_info(mdfd, NULL);
 	return rv;
 }
 
-- 
2.13.6
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