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path: root/drivers/md/md.c
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Diffstat (limited to 'drivers/md/md.c')
-rw-r--r--drivers/md/md.c20
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 078c6f3b7e53..08fcaebc61bd 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1538,7 +1538,8 @@ static int super_1_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor_
} else if (sb->bblog_offset != 0)
rdev->badblocks.shift = 0;
- if (le32_to_cpu(sb->feature_map) & MD_FEATURE_PPL) {
+ if ((le32_to_cpu(sb->feature_map) &
+ (MD_FEATURE_PPL | MD_FEATURE_MULTIPLE_PPLS))) {
rdev->ppl.offset = (__s16)le16_to_cpu(sb->ppl.offset);
rdev->ppl.size = le16_to_cpu(sb->ppl.size);
rdev->ppl.sector = rdev->sb_start + rdev->ppl.offset;
@@ -1657,10 +1658,15 @@ static int super_1_validate(struct mddev *mddev, struct md_rdev *rdev)
if (le32_to_cpu(sb->feature_map) & MD_FEATURE_JOURNAL)
set_bit(MD_HAS_JOURNAL, &mddev->flags);
- if (le32_to_cpu(sb->feature_map) & MD_FEATURE_PPL) {
+ if (le32_to_cpu(sb->feature_map) &
+ (MD_FEATURE_PPL | MD_FEATURE_MULTIPLE_PPLS)) {
if (le32_to_cpu(sb->feature_map) &
(MD_FEATURE_BITMAP_OFFSET | MD_FEATURE_JOURNAL))
return -EINVAL;
+ if ((le32_to_cpu(sb->feature_map) & MD_FEATURE_PPL) &&
+ (le32_to_cpu(sb->feature_map) &
+ MD_FEATURE_MULTIPLE_PPLS))
+ return -EINVAL;
set_bit(MD_HAS_PPL, &mddev->flags);
}
} else if (mddev->pers == NULL) {
@@ -1877,7 +1883,11 @@ retry:
sb->feature_map |= cpu_to_le32(MD_FEATURE_JOURNAL);
if (test_bit(MD_HAS_PPL, &mddev->flags)) {
- sb->feature_map |= cpu_to_le32(MD_FEATURE_PPL);
+ if (test_bit(MD_HAS_MULTIPLE_PPLS, &mddev->flags))
+ sb->feature_map |=
+ cpu_to_le32(MD_FEATURE_MULTIPLE_PPLS);
+ else
+ sb->feature_map |= cpu_to_le32(MD_FEATURE_PPL);
sb->ppl.offset = cpu_to_le16(rdev->ppl.offset);
sb->ppl.size = cpu_to_le16(rdev->ppl.size);
}
@@ -4285,6 +4295,8 @@ new_dev_store(struct mddev *mddev, const char *buf, size_t len)
if (err)
export_rdev(rdev);
mddev_unlock(mddev);
+ if (!err)
+ md_new_event(mddev);
return err ? err : len;
}
@@ -7838,7 +7850,7 @@ static const struct file_operations md_seq_fops = {
.open = md_seq_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = seq_release_private,
+ .release = seq_release,
.poll = mdstat_poll,
};