The patch titled
md: lock address when changing attributes of component devices
has been added to the -mm tree. Its filename is
md-lock-address-when-changing-attributes-of-component-devices.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: md: lock address when changing attributes of component devices
From: NeilBrown <neilb@xxxxxxx>
Signed-off-by: Neil Brown <neilb@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/md/md.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff -puN drivers/md/md.c~md-lock-address-when-changing-attributes-of-component-devices drivers/md/md.c
--- a/drivers/md/md.c~md-lock-address-when-changing-attributes-of-component-devices
+++ a/drivers/md/md.c
@@ -2077,12 +2077,18 @@ rdev_attr_store(struct kobject *kobj, st
{
struct rdev_sysfs_entry *entry = container_of(attr, struct rdev_sysfs_entry, attr);
mdk_rdev_t *rdev = container_of(kobj, mdk_rdev_t, kobj);
+ int rv;
if (!entry->store)
return -EIO;
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
- return entry->store(rdev, page, length);
+ rv = mddev_lock(rdev->mddev);
+ if (!rv) {
+ rv = entry->store(rdev, page, length);
+ mddev_unlock(rdev->mddev);
+ }
+ return rv;
}
static void rdev_free(struct kobject *ko)
_
Patches currently in -mm which might be from neilb@xxxxxxx are
origin.patch
git-nfsd.patch
coding-style-cleanups-for-drivers-md-mktablesc.patch
md-raid6-fix-mktablec.patch
md-raid6-clean-up-the-style-of-raid6test-testc.patch
md-update-md-bitmap-during-resync.patch
md-update-md-bitmap-during-resync-fix.patch
md-support-external-metadata-for-md-arrays.patch
md-give-userspace-control-over-removing-failed-devices-when-external-metdata-in-use.patch
md-allow-a-maximum-extent-to-be-set-for-resyncing.patch
md-allow-devices-to-be-shared-between-md-arrays.patch
md-lock-address-when-changing-attributes-of-component-devices.patch
md-allow-an-md-array-to-appear-with-0-drives-if-it-has-external-metadata.patch
md-get-name-for-block-device-in-sysfs.patch
one-less-parameter-to-__d_path.patch
d_path-kerneldoc-cleanup.patch
d_path-use-struct-path-in-struct-avc_audit_data.patch
d_path-make-proc_get_link-use-a-struct-path-argument.patch
d_path-make-get_dcookie-use-a-struct-path-argument.patch
use-struct-path-in-struct-svc_export.patch
use-struct-path-in-struct-svc_export-checkpatch-fixes.patch
use-struct-path-in-struct-svc_expkey.patch
d_path-make-seq_path-use-a-struct-path-argument.patch
d_path-make-d_path-use-a-struct-path.patch
-
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