diff options
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/md.c | 14 | ||||
| -rw-r--r-- | drivers/md/md.h | 5 |
2 files changed, 10 insertions, 9 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index 7eaf5496c8d9..b6ad04b58766 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -5573,8 +5573,7 @@ static int md_set_readonly(struct mddev *mddev, struct block_device *bdev) mutex_lock(&mddev->open_mutex); if ((mddev->pers && atomic_read(&mddev->openers) > !!bdev) || mddev->sync_thread || - test_bit(MD_RECOVERY_RUNNING, &mddev->recovery) || - (bdev && !test_bit(MD_STILL_CLOSED, &mddev->flags))) { + test_bit(MD_RECOVERY_RUNNING, &mddev->recovery)) { printk("md: %s still in use.\n",mdname(mddev)); if (did_freeze) { clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery); @@ -5636,8 +5635,7 @@ static int do_md_stop(struct mddev *mddev, int mode, if ((mddev->pers && atomic_read(&mddev->openers) > !!bdev) || mddev->sysfs_active || mddev->sync_thread || - test_bit(MD_RECOVERY_RUNNING, &mddev->recovery) || - (bdev && !test_bit(MD_STILL_CLOSED, &mddev->flags))) { + test_bit(MD_RECOVERY_RUNNING, &mddev->recovery)) { printk("md: %s still in use.\n",mdname(mddev)); mutex_unlock(&mddev->open_mutex); if (did_freeze) { @@ -6826,7 +6824,7 @@ static int md_ioctl(struct block_device *bdev, fmode_t mode, err = -EBUSY; goto out; } - set_bit(MD_STILL_CLOSED, &mddev->flags); + set_bit(MD_CLOSING, &mddev->flags); mutex_unlock(&mddev->open_mutex); sync_blockdev(bdev); } @@ -7075,9 +7073,13 @@ static int md_open(struct block_device *bdev, fmode_t mode) if ((err = mutex_lock_interruptible(&mddev->open_mutex))) goto out; + if (test_bit(MD_CLOSING, &mddev->flags)) { + mutex_unlock(&mddev->open_mutex); + return -ENODEV; + } + err = 0; atomic_inc(&mddev->openers); - clear_bit(MD_STILL_CLOSED, &mddev->flags); mutex_unlock(&mddev->open_mutex); check_disk_change(bdev); diff --git a/drivers/md/md.h b/drivers/md/md.h index 20c667579ede..2b2041773e79 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -201,9 +201,8 @@ struct mddev { #define MD_CHANGE_PENDING 2 /* switch from 'clean' to 'active' in progress */ #define MD_UPDATE_SB_FLAGS (1 | 2 | 4) /* If these are set, md_update_sb needed */ #define MD_ARRAY_FIRST_USE 3 /* First use of array, needs initialization */ -#define MD_STILL_CLOSED 4 /* If set, then array has not been opened since - * md_ioctl checked on it. - */ +#define MD_CLOSING 4 /* If set, we are closing the array, do not open + * it then */ #define MD_JOURNAL_CLEAN 5 /* A raid with journal is already clean */ #define MD_HAS_JOURNAL 6 /* The raid array has journal feature set */ #define MD_RELOAD_SB 7 /* Reload the superblock because another node |