From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/drivers/md/md.c | 38 ++++++++++++++++++++++++++++++--------
1 files changed, 30 insertions(+), 8 deletions(-)
diff --git a/kernel/drivers/md/md.c b/kernel/drivers/md/md.c
index 0043dec..6efe49f 100644
--- a/kernel/drivers/md/md.c
+++ b/kernel/drivers/md/md.c
@@ -555,13 +555,14 @@
struct md_rdev *rdev = bio->bi_private;
struct mddev *mddev = rdev->mddev;
+ bio_put(bio);
+
rdev_dec_pending(rdev, mddev);
if (atomic_dec_and_test(&mddev->flush_pending)) {
/* The pre-request flush has finished */
queue_work(md_wq, &mddev->flush_work);
}
- bio_put(bio);
}
static void md_submit_flush_data(struct work_struct *ws);
@@ -966,10 +967,12 @@
} else
clear_bit(LastDev, &rdev->flags);
+ bio_put(bio);
+
+ rdev_dec_pending(rdev, mddev);
+
if (atomic_dec_and_test(&mddev->pending_writes))
wake_up(&mddev->sb_wait);
- rdev_dec_pending(rdev, mddev);
- bio_put(bio);
}
void md_super_write(struct mddev *mddev, struct md_rdev *rdev,
@@ -3204,6 +3207,9 @@
err = kstrtouint(buf, 10, (unsigned int *)&slot);
if (err < 0)
return err;
+ if (slot < 0)
+ /* overflow */
+ return -ENOSPC;
}
if (rdev->mddev->pers && slot == -1) {
/* Setting 'slot' on an active array requires also
@@ -3884,8 +3890,9 @@
static ssize_t
safe_delay_show(struct mddev *mddev, char *page)
{
- int msec = (mddev->safemode_delay*1000)/HZ;
- return sprintf(page, "%d.%03d\n", msec/1000, msec%1000);
+ unsigned int msec = ((unsigned long)mddev->safemode_delay*1000)/HZ;
+
+ return sprintf(page, "%u.%03u\n", msec/1000, msec%1000);
}
static ssize_t
safe_delay_store(struct mddev *mddev, const char *cbuf, size_t len)
@@ -3897,7 +3904,7 @@
return -EINVAL;
}
- if (strict_strtoul_scaled(cbuf, &msec, 3) < 0)
+ if (strict_strtoul_scaled(cbuf, &msec, 3) < 0 || msec > UINT_MAX / HZ)
return -EINVAL;
if (msec == 0)
mddev->safemode_delay = 0;
@@ -4567,6 +4574,8 @@
rv = kstrtouint(buf, 10, &n);
if (rv < 0)
return rv;
+ if (n > INT_MAX)
+ return -EINVAL;
atomic_set(&mddev->max_corr_read_errors, n);
return len;
}
@@ -4881,11 +4890,21 @@
return -EINVAL;
err = mddev_lock(mddev);
if (!err) {
- if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery))
+ if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery)) {
err = -EBUSY;
- else {
+ } else if (mddev->reshape_position == MaxSector ||
+ mddev->pers->check_reshape == NULL ||
+ mddev->pers->check_reshape(mddev)) {
clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
err = mddev->pers->start_reshape(mddev);
+ } else {
+ /*
+ * If reshape is still in progress, and
+ * md_check_recovery() can continue to reshape,
+ * don't restart reshape because data can be
+ * corrupted for raid456.
+ */
+ clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
}
mddev_unlock(mddev);
}
@@ -5680,6 +5699,7 @@
* completely removed (mddev_delayed_delete).
*/
flush_workqueue(md_misc_wq);
+ flush_workqueue(md_rdev_misc_wq);
mutex_lock(&disks_mutex);
error = -EEXIST;
@@ -6296,6 +6316,8 @@
void md_stop(struct mddev *mddev)
{
+ lockdep_assert_held(&mddev->reconfig_mutex);
+
/* stop the array and free an attached data structures.
* This is called from dm-raid
*/
--
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