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MD: change journal disk role to disk 0

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Neil pointed out setting journal disk role to raid_disks will confuse
reshape if we support reshape eventually. Switching the role to 0 (we
should be fine as long as the value >=0) and skip sysfs file creation to
avoid error.

Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: NeilBrown <neilb@suse.com>
This commit is contained in:
Shaohua Li
2015-12-18 15:19:16 +11:00
committed by NeilBrown
parent cc57858831
commit 9b15603dbd
2 changed files with 7 additions and 3 deletions
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drivers/md/md.h
+6 -2
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@@ -566,7 +566,9 @@ static inline char * mdname (struct mddev * mddev)
static inline int sysfs_link_rdev(struct mddev *mddev, struct md_rdev *rdev)
{
char nm[20];
if (!test_bit(Replacement, &rdev->flags) && mddev->kobj.sd) {
if (!test_bit(Replacement, &rdev->flags) &&
!test_bit(Journal, &rdev->flags) &&
mddev->kobj.sd) {
sprintf(nm, "rd%d", rdev->raid_disk);
return sysfs_create_link(&mddev->kobj, &rdev->kobj, nm);
} else
@@ -576,7 +578,9 @@ static inline int sysfs_link_rdev(struct mddev *mddev, struct md_rdev *rdev)
static inline void sysfs_unlink_rdev(struct mddev *mddev, struct md_rdev *rdev)
{
char nm[20];
if (!test_bit(Replacement, &rdev->flags) && mddev->kobj.sd) {
if (!test_bit(Replacement, &rdev->flags) &&
!test_bit(Journal, &rdev->flags) &&
mddev->kobj.sd) {
sprintf(nm, "rd%d", rdev->raid_disk);
sysfs_remove_link(&mddev->kobj, nm);
}