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authorNeilBrown <neilb@suse.de>2014-09-30 16:02:19 +1000
committerNeilBrown <neilb@suse.de>2014-10-14 13:08:29 +1100
commit2cbbca5e7c38d0c776497f586688464f8cfb1583 (patch)
treebc5e50b40c6d3c2dca1004f5bb2ad3066e4f2014 /drivers/md
parent403df4788837cdaceaa55bcfae1c6eade2abdb5b (diff)
md: discard PRINT_RAID_DEBUG ioctl
All the interesting information printed by this ioctl is provided in /proc/mdstat and/or sysfs. So it isn't needed and isn't used and would be best if it didn't exist. Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/md.c138
1 files changed, 0 insertions, 138 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 9c33f052c848..fdd2d3fe1c6c 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -66,8 +66,6 @@ static void autostart_arrays(int part);
static LIST_HEAD(pers_list);
static DEFINE_SPINLOCK(pers_lock);
-static void md_print_devices(void);
-
static DECLARE_WAIT_QUEUE_HEAD(resync_wait);
static struct workqueue_struct *md_wq;
static struct workqueue_struct *md_misc_wq;
@@ -2171,136 +2169,6 @@ static void export_array(struct mddev *mddev)
mddev->major_version = 0;
}
-static void print_desc(mdp_disk_t *desc)
-{
- printk(" DISK<N:%d,(%d,%d),R:%d,S:%d>\n", desc->number,
- desc->major,desc->minor,desc->raid_disk,desc->state);
-}
-
-static void print_sb_90(mdp_super_t *sb)
-{
- int i;
-
- printk(KERN_INFO
- "md: SB: (V:%d.%d.%d) ID:<%08x.%08x.%08x.%08x> CT:%08x\n",
- sb->major_version, sb->minor_version, sb->patch_version,
- sb->set_uuid0, sb->set_uuid1, sb->set_uuid2, sb->set_uuid3,
- sb->ctime);
- printk(KERN_INFO "md: L%d S%08d ND:%d RD:%d md%d LO:%d CS:%d\n",
- sb->level, sb->size, sb->nr_disks, sb->raid_disks,
- sb->md_minor, sb->layout, sb->chunk_size);
- printk(KERN_INFO "md: UT:%08x ST:%d AD:%d WD:%d"
- " FD:%d SD:%d CSUM:%08x E:%08lx\n",
- sb->utime, sb->state, sb->active_disks, sb->working_disks,
- sb->failed_disks, sb->spare_disks,
- sb->sb_csum, (unsigned long)sb->events_lo);
-
- printk(KERN_INFO);
- for (i = 0; i < MD_SB_DISKS; i++) {
- mdp_disk_t *desc;
-
- desc = sb->disks + i;
- if (desc->number || desc->major || desc->minor ||
- desc->raid_disk || (desc->state && (desc->state != 4))) {
- printk(" D %2d: ", i);
- print_desc(desc);
- }
- }
- printk(KERN_INFO "md: THIS: ");
- print_desc(&sb->this_disk);
-}
-
-static void print_sb_1(struct mdp_superblock_1 *sb)
-{
- __u8 *uuid;
-
- uuid = sb->set_uuid;
- printk(KERN_INFO
- "md: SB: (V:%u) (F:0x%08x) Array-ID:<%pU>\n"
- "md: Name: \"%s\" CT:%llu\n",
- le32_to_cpu(sb->major_version),
- le32_to_cpu(sb->feature_map),
- uuid,
- sb->set_name,
- (unsigned long long)le64_to_cpu(sb->ctime)
- & MD_SUPERBLOCK_1_TIME_SEC_MASK);
-
- uuid = sb->device_uuid;
- printk(KERN_INFO
- "md: L%u SZ%llu RD:%u LO:%u CS:%u DO:%llu DS:%llu SO:%llu"
- " RO:%llu\n"
- "md: Dev:%08x UUID: %pU\n"
- "md: (F:0x%08x) UT:%llu Events:%llu ResyncOffset:%llu CSUM:0x%08x\n"
- "md: (MaxDev:%u) \n",
- le32_to_cpu(sb->level),
- (unsigned long long)le64_to_cpu(sb->size),
- le32_to_cpu(sb->raid_disks),
- le32_to_cpu(sb->layout),
- le32_to_cpu(sb->chunksize),
- (unsigned long long)le64_to_cpu(sb->data_offset),
- (unsigned long long)le64_to_cpu(sb->data_size),
- (unsigned long long)le64_to_cpu(sb->super_offset),
- (unsigned long long)le64_to_cpu(sb->recovery_offset),
- le32_to_cpu(sb->dev_number),
- uuid,
- sb->devflags,
- (unsigned long long)le64_to_cpu(sb->utime) & MD_SUPERBLOCK_1_TIME_SEC_MASK,
- (unsigned long long)le64_to_cpu(sb->events),
- (unsigned long long)le64_to_cpu(sb->resync_offset),
- le32_to_cpu(sb->sb_csum),
- le32_to_cpu(sb->max_dev)
- );
-}
-
-static void print_rdev(struct md_rdev *rdev, int major_version)
-{
- char b[BDEVNAME_SIZE];
- printk(KERN_INFO "md: rdev %s, Sect:%08llu F:%d S:%d DN:%u\n",
- bdevname(rdev->bdev, b), (unsigned long long)rdev->sectors,
- test_bit(Faulty, &rdev->flags), test_bit(In_sync, &rdev->flags),
- rdev->desc_nr);
- if (rdev->sb_loaded) {
- printk(KERN_INFO "md: rdev superblock (MJ:%d):\n", major_version);
- switch (major_version) {
- case 0:
- print_sb_90(page_address(rdev->sb_page));
- break;
- case 1:
- print_sb_1(page_address(rdev->sb_page));
- break;
- }
- } else
- printk(KERN_INFO "md: no rdev superblock!\n");
-}
-
-static void md_print_devices(void)
-{
- struct list_head *tmp;
- struct md_rdev *rdev;
- struct mddev *mddev;
- char b[BDEVNAME_SIZE];
-
- printk("\n");
- printk("md: **********************************\n");
- printk("md: * <COMPLETE RAID STATE PRINTOUT> *\n");
- printk("md: **********************************\n");
- for_each_mddev(mddev, tmp) {
-
- if (mddev->bitmap)
- bitmap_print_sb(mddev->bitmap);
- else
- printk("%s: ", mdname(mddev));
- rdev_for_each(rdev, mddev)
- printk("<%s>", bdevname(rdev->bdev,b));
- printk("\n");
-
- rdev_for_each(rdev, mddev)
- print_rdev(rdev, mddev->major_version);
- }
- printk("md: **********************************\n");
- printk("\n");
-}
-
static void sync_sbs(struct mddev *mddev, int nospares)
{
/* Update each superblock (in-memory image), but
@@ -6285,7 +6153,6 @@ static inline bool md_ioctl_valid(unsigned int cmd)
case GET_DISK_INFO:
case HOT_ADD_DISK:
case HOT_REMOVE_DISK:
- case PRINT_RAID_DEBUG:
case RAID_AUTORUN:
case RAID_VERSION:
case RESTART_ARRAY_RW:
@@ -6331,11 +6198,6 @@ static int md_ioctl(struct block_device *bdev, fmode_t mode,
err = get_version(argp);
goto out;
- case PRINT_RAID_DEBUG:
- err = 0;
- md_print_devices();
- goto out;
-
#ifndef MODULE
case RAID_AUTORUN:
err = 0;