File 0070-Add-function-for-getting-member-drive-sector-size.patch of Package mdadm.7129
From 329715091c5d308bdf155fe75ec03c432ff21999 Mon Sep 17 00:00:00 2001
From: Pawel Baldysiak <pawel.baldysiak@intel.com>
Date: Thu, 17 Nov 2016 14:58:35 +0100
Subject: [PATCH 323/359] Add function for getting member drive sector size
References: bsc#1081910
This patch introduces the function for getting sector size of
given device (fd).
Signed-off-by: Pawel Baldysiak <pawel.baldysiak@intel.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Coly Li <colyli@suse.de>
---
mdadm.h | 1 +
super1.c | 3 +--
util.c | 18 +++++++++++++++++-
3 files changed, 19 insertions(+), 3 deletions(-)
diff --git a/mdadm.h b/mdadm.h
index 41a4494..240ab7f 100755
--- a/mdadm.h
+++ b/mdadm.h
@@ -1112,6 +1112,7 @@ static inline struct supertype *guess_super(int fd) {
}
extern struct supertype *dup_super(struct supertype *st);
extern int get_dev_size(int fd, char *dname, unsigned long long *sizep);
+extern int get_dev_sector_size(int fd, char *dname, unsigned int *sectsizep);
extern int must_be_container(int fd);
extern int dev_size_from_id(dev_t id, unsigned long long *size);
void wait_for(char *dev, int fd);
diff --git a/super1.c b/super1.c
index 1d03a0a..d323439 100644
--- a/super1.c
+++ b/super1.c
@@ -213,8 +213,7 @@ struct align_fd {
static void init_afd(struct align_fd *afd, int fd)
{
afd->fd = fd;
-
- if (ioctl(afd->fd, BLKSSZGET, &afd->blk_sz) != 0)
+ if (!get_dev_sector_size(afd->fd, NULL, (unsigned int *)&afd->blk_sz))
afd->blk_sz = 512;
}
diff --git a/util.c b/util.c
index 9e4718f..883eaa4 100644
--- a/util.c
+++ b/util.c
@@ -1324,7 +1324,7 @@ int get_dev_size(int fd, char *dname, unsigned long long *sizep)
ldsize <<= 9;
} else {
if (dname)
- pr_err("Cannot get size of %s: %s\b",
+ pr_err("Cannot get size of %s: %s\n",
dname, strerror(errno));
return 0;
}
@@ -1333,6 +1333,22 @@ int get_dev_size(int fd, char *dname, unsigned long long *sizep)
return 1;
}
+/* Return sector size of device in bytes */
+int get_dev_sector_size(int fd, char *dname, unsigned int *sectsizep)
+{
+ unsigned int sectsize;
+
+ if (ioctl(fd, BLKSSZGET, §size) != 0) {
+ if (dname)
+ pr_err("Cannot get sector size of %s: %s\n",
+ dname, strerror(errno));
+ return 0;
+ }
+
+ *sectsizep = sectsize;
+ return 1;
+}
+
/* Return true if this can only be a container, not a member device.
* i.e. is and md device and size is zero
*/
--
2.16.1