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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable

Browse Source 
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable:
  Btrfs: use join_transaction in btrfs_evict_inode()
  Btrfs - use %pU to print fsid
  Btrfs: fix extent state leak on failed nodatasum reads
  btrfs: fix unlocked access of delalloc_inodes
  Btrfs: avoid stack bloat in btrfs_ioctl_fs_info()
  btrfs: remove 64bit alignment padding to allow extent_buffer to fit into one fewer cacheline
  Btrfs: clear current->journal_info on async transaction commit
  Btrfs: make sure to recheck for bitmaps in clusters
  btrfs: remove unneeded includes from scrub.c
  btrfs: reinitialize scrub workers
  btrfs: scrub: errors in tree enumeration
  Btrfs: don't map extent buffer if path->skip_locking is set
  Btrfs: unlock the trans lock properly
  Btrfs: don't map extent buffer if path->skip_locking is set
  Btrfs: fix duplicate checking logic
  Btrfs: fix the allocator loop logic
  Btrfs: fix bitmap regression
  Btrfs: don't commit the transaction if we dont have enough pinned bytes
  Btrfs: noinline the cluster searching functions
  Btrfs: cache bitmaps when searching for a cluster
This commit is contained in:
Linus Torvalds 2011-06-12 11:06:36 -07:00
commit 3c25fa740e
10 changed files with 233 additions and 113 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
fs/btrfs/ctree.c
View File

@ -1228,6 +1228,7 @@ static void reada_for_search(struct btrfs_root *root,
u32 nr;
u32 blocksize;
u32 nscan = 0;
bool map = true;
if (level != 1)
return;
@ -1249,8 +1250,11 @@ static void reada_for_search(struct btrfs_root *root,
nritems = btrfs_header_nritems(node);
nr = slot;
if (node->map_token || path->skip_locking)
map = false;
while (1) {
if (!node->map_token) {
if (map && !node->map_token) {
unsigned long offset = btrfs_node_key_ptr_offset(nr);
map_private_extent_buffer(node, offset,
sizeof(struct btrfs_key_ptr),
@ -1277,7 +1281,7 @@ static void reada_for_search(struct btrfs_root *root,
if ((search <= target && target - search <= 65536) ||
(search > target && search - target <= 65536)) {
gen = btrfs_node_ptr_generation(node, nr);
if (node->map_token) {
if (map && node->map_token) {
unmap_extent_buffer(node, node->map_token,
KM_USER1);
node->map_token = NULL;
@ -1289,7 +1293,7 @@ static void reada_for_search(struct btrfs_root *root,
if ((nread > 65536 || nscan > 32))
break;
}
if (node->map_token) {
if (map && node->map_token) {
unmap_extent_buffer(node, node->map_token, KM_USER1);
node->map_token = NULL;
}

5
fs/btrfs/disk-io.c
View File

@ -1668,8 +1668,6 @@ struct btrfs_root *open_ctree(struct super_block *sb,
init_waitqueue_head(&fs_info->scrub_pause_wait);
init_rwsem(&fs_info->scrub_super_lock);
fs_info->scrub_workers_refcnt = 0;
btrfs_init_workers(&fs_info->scrub_workers, "scrub",
fs_info->thread_pool_size, &fs_info->generic_worker);
sb->s_blocksize = 4096;
sb->s_blocksize_bits = blksize_bits(4096);
@ -2911,9 +2909,8 @@ static int btrfs_destroy_delalloc_inodes(struct btrfs_root *root)
INIT_LIST_HEAD(&splice);
list_splice_init(&root->fs_info->delalloc_inodes, &splice);
spin_lock(&root->fs_info->delalloc_lock);
list_splice_init(&root->fs_info->delalloc_inodes, &splice);
while (!list_empty(&splice)) {
btrfs_inode = list_entry(splice.next, struct btrfs_inode,

55
fs/btrfs/extent-tree.c
View File

@ -3089,6 +3089,13 @@ alloc:
}
goto again;
}
/*
* If we have less pinned bytes than we want to allocate then
* don't bother committing the transaction, it won't help us.
*/
if (data_sinfo->bytes_pinned < bytes)
committed = 1;
spin_unlock(&data_sinfo->lock);
/* commit the current transaction and try again */
@ -5211,9 +5218,7 @@ loop:
* LOOP_NO_EMPTY_SIZE, set empty_size and empty_cluster to 0 and try
* again
*/
if (!ins->objectid && loop < LOOP_NO_EMPTY_SIZE &&
(found_uncached_bg || empty_size || empty_cluster ||
allowed_chunk_alloc)) {
if (!ins->objectid && loop < LOOP_NO_EMPTY_SIZE) {
index = 0;
if (loop == LOOP_FIND_IDEAL && found_uncached_bg) {
found_uncached_bg = false;
@ -5253,32 +5258,36 @@ loop:
goto search;
}
if (loop < LOOP_CACHING_WAIT) {
loop++;
goto search;
}
loop++;
if (loop == LOOP_ALLOC_CHUNK) {
if (allowed_chunk_alloc) {
ret = do_chunk_alloc(trans, root, num_bytes +
2 * 1024 * 1024, data,
CHUNK_ALLOC_LIMITED);
allowed_chunk_alloc = 0;
if (ret == 1)
done_chunk_alloc = 1;
} else if (!done_chunk_alloc &&
space_info->force_alloc ==
CHUNK_ALLOC_NO_FORCE) {
space_info->force_alloc = CHUNK_ALLOC_LIMITED;
}
/*
* We didn't allocate a chunk, go ahead and drop the
* empty size and loop again.
*/
if (!done_chunk_alloc)
loop = LOOP_NO_EMPTY_SIZE;
}
if (loop == LOOP_NO_EMPTY_SIZE) {
empty_size = 0;
empty_cluster = 0;
}
if (allowed_chunk_alloc) {
ret = do_chunk_alloc(trans, root, num_bytes +
2 * 1024 * 1024, data,
CHUNK_ALLOC_LIMITED);
allowed_chunk_alloc = 0;
done_chunk_alloc = 1;
} else if (!done_chunk_alloc &&
space_info->force_alloc == CHUNK_ALLOC_NO_FORCE) {
space_info->force_alloc = CHUNK_ALLOC_LIMITED;
}
if (loop < LOOP_NO_EMPTY_SIZE) {
loop++;
goto search;
}
ret = -ENOSPC;
goto search;
} else if (!ins->objectid) {
ret = -ENOSPC;
} else if (ins->objectid) {

2
fs/btrfs/extent_io.h
View File

@ -126,9 +126,9 @@ struct extent_buffer {
unsigned long map_len;
struct page *first_page;
unsigned long bflags;
atomic_t refs;
struct list_head leak_list;
struct rcu_head rcu_head;
atomic_t refs;
/* the spinlock is used to protect most operations */
spinlock_t lock;

163
fs/btrfs/free-space-cache.c
View File

@ -250,7 +250,7 @@ int __load_free_space_cache(struct btrfs_root *root, struct inode *inode,
pgoff_t index = 0;
unsigned long first_page_offset;
int num_checksums;
int ret = 0, ret2;
int ret = 0;
INIT_LIST_HEAD(&bitmaps);
@ -421,11 +421,10 @@ int __load_free_space_cache(struct btrfs_root *root, struct inode *inode,
goto free_cache;
}
spin_lock(&ctl->tree_lock);
ret2 = link_free_space(ctl, e);
ret = link_free_space(ctl, e);
ctl->total_bitmaps++;
ctl->op->recalc_thresholds(ctl);
spin_unlock(&ctl->tree_lock);
list_add_tail(&e->list, &bitmaps);
if (ret) {
printk(KERN_ERR "Duplicate entries in "
"free space cache, dumping\n");
@ -434,6 +433,7 @@ int __load_free_space_cache(struct btrfs_root *root, struct inode *inode,
page_cache_release(page);
goto free_cache;
}
list_add_tail(&e->list, &bitmaps);
}
num_entries--;
@ -1417,6 +1417,23 @@ again:
return 0;
}
static u64 add_bytes_to_bitmap(struct btrfs_free_space_ctl *ctl,
struct btrfs_free_space *info, u64 offset,
u64 bytes)
{
u64 bytes_to_set = 0;
u64 end;
end = info->offset + (u64)(BITS_PER_BITMAP * ctl->unit);
bytes_to_set = min(end - offset, bytes);
bitmap_set_bits(ctl, info, offset, bytes_to_set);
return bytes_to_set;
}
static bool use_bitmap(struct btrfs_free_space_ctl *ctl,
struct btrfs_free_space *info)
{
@ -1453,12 +1470,18 @@ static bool use_bitmap(struct btrfs_free_space_ctl *ctl,
return true;
}
static struct btrfs_free_space_op free_space_op = {
.recalc_thresholds = recalculate_thresholds,
.use_bitmap = use_bitmap,
};
static int insert_into_bitmap(struct btrfs_free_space_ctl *ctl,
struct btrfs_free_space *info)
{
struct btrfs_free_space *bitmap_info;
struct btrfs_block_group_cache *block_group = NULL;
int added = 0;
u64 bytes, offset, end;
u64 bytes, offset, bytes_added;
int ret;
bytes = info->bytes;
@ -1467,7 +1490,49 @@ static int insert_into_bitmap(struct btrfs_free_space_ctl *ctl,
if (!ctl->op->use_bitmap(ctl, info))
return 0;
if (ctl->op == &free_space_op)
block_group = ctl->private;
again:
/*
* Since we link bitmaps right into the cluster we need to see if we
* have a cluster here, and if so and it has our bitmap we need to add
* the free space to that bitmap.
*/
if (block_group && !list_empty(&block_group->cluster_list)) {
struct btrfs_free_cluster *cluster;
struct rb_node *node;
struct btrfs_free_space *entry;
cluster = list_entry(block_group->cluster_list.next,
struct btrfs_free_cluster,
block_group_list);
spin_lock(&cluster->lock);
node = rb_first(&cluster->root);
if (!node) {
spin_unlock(&cluster->lock);
goto no_cluster_bitmap;
}
entry = rb_entry(node, struct btrfs_free_space, offset_index);
if (!entry->bitmap) {
spin_unlock(&cluster->lock);
goto no_cluster_bitmap;
}
if (entry->offset == offset_to_bitmap(ctl, offset)) {
bytes_added = add_bytes_to_bitmap(ctl, entry,
offset, bytes);
bytes -= bytes_added;
offset += bytes_added;
}
spin_unlock(&cluster->lock);
if (!bytes) {
ret = 1;
goto out;
}
}
no_cluster_bitmap:
bitmap_info = tree_search_offset(ctl, offset_to_bitmap(ctl, offset),
1, 0);
if (!bitmap_info) {
@ -1475,19 +1540,10 @@ again:
goto new_bitmap;
}
end = bitmap_info->offset + (u64)(BITS_PER_BITMAP * ctl->unit);
if (offset >= bitmap_info->offset && offset + bytes > end) {
bitmap_set_bits(ctl, bitmap_info, offset, end - offset);
bytes -= end - offset;
offset = end;
added = 0;
} else if (offset >= bitmap_info->offset && offset + bytes <= end) {
bitmap_set_bits(ctl, bitmap_info, offset, bytes);
bytes = 0;
} else {
BUG();
}
bytes_added = add_bytes_to_bitmap(ctl, bitmap_info, offset, bytes);
bytes -= bytes_added;
offset += bytes_added;
added = 0;
if (!bytes) {
ret = 1;
@ -1766,11 +1822,6 @@ void btrfs_dump_free_space(struct btrfs_block_group_cache *block_group,
"\n", count);
}
static struct btrfs_free_space_op free_space_op = {
.recalc_thresholds = recalculate_thresholds,
.use_bitmap = use_bitmap,
};
void btrfs_init_free_space_ctl(struct btrfs_block_group_cache *block_group)
{
struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl;
@ -2142,9 +2193,11 @@ again:
/*
* This searches the block group for just extents to fill the cluster with.
*/
static int setup_cluster_no_bitmap(struct btrfs_block_group_cache *block_group,
struct btrfs_free_cluster *cluster,
u64 offset, u64 bytes, u64 min_bytes)
static noinline int
setup_cluster_no_bitmap(struct btrfs_block_group_cache *block_group,
struct btrfs_free_cluster *cluster,
struct list_head *bitmaps, u64 offset, u64 bytes,
u64 min_bytes)
{
struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl;
struct btrfs_free_space *first = NULL;
@ -2166,6 +2219,8 @@ static int setup_cluster_no_bitmap(struct btrfs_block_group_cache *block_group,
* extent entry.
*/
while (entry->bitmap) {
if (list_empty(&entry->list))
list_add_tail(&entry->list, bitmaps);
node = rb_next(&entry->offset_index);
if (!node)
return -ENOSPC;
@ -2185,8 +2240,12 @@ static int setup_cluster_no_bitmap(struct btrfs_block_group_cache *block_group,
return -ENOSPC;
entry = rb_entry(node, struct btrfs_free_space, offset_index);
if (entry->bitmap)
if (entry->bitmap) {
if (list_empty(&entry->list))
list_add_tail(&entry->list, bitmaps);
continue;
}
/*
* we haven't filled the empty size and the window is
* very large. reset and try again
@ -2238,9 +2297,11 @@ static int setup_cluster_no_bitmap(struct btrfs_block_group_cache *block_group,
* This specifically looks for bitmaps that may work in the cluster, we assume
* that we have already failed to find extents that will work.
*/
static int setup_cluster_bitmap(struct btrfs_block_group_cache *block_group,
struct btrfs_free_cluster *cluster,
u64 offset, u64 bytes, u64 min_bytes)
static noinline int
setup_cluster_bitmap(struct btrfs_block_group_cache *block_group,
struct btrfs_free_cluster *cluster,
struct list_head *bitmaps, u64 offset, u64 bytes,
u64 min_bytes)
{
struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl;
struct btrfs_free_space *entry;
@ -2250,10 +2311,39 @@ static int setup_cluster_bitmap(struct btrfs_block_group_cache *block_group,
if (ctl->total_bitmaps == 0)
return -ENOSPC;
/*
* First check our cached list of bitmaps and see if there is an entry
* here that will work.
*/
list_for_each_entry(entry, bitmaps, list) {
if (entry->bytes < min_bytes)
continue;
ret = btrfs_bitmap_cluster(block_group, entry, cluster, offset,
bytes, min_bytes);
if (!ret)
return 0;
}
/*
* If we do have entries on our list and we are here then we didn't find
* anything, so go ahead and get the next entry after the last entry in
* this list and start the search from there.
*/
if (!list_empty(bitmaps)) {
entry = list_entry(bitmaps->prev, struct btrfs_free_space,
list);
node = rb_next(&entry->offset_index);
if (!node)
return -ENOSPC;
entry = rb_entry(node, struct btrfs_free_space, offset_index);
goto search;
}
entry = tree_search_offset(ctl, offset_to_bitmap(ctl, offset), 0, 1);
if (!entry)
return -ENOSPC;
search:
node = &entry->offset_index;
do {
entry = rb_entry(node, struct btrfs_free_space, offset_index);
@ -2284,6 +2374,8 @@ int btrfs_find_space_cluster(struct btrfs_trans_handle *trans,
u64 offset, u64 bytes, u64 empty_size)
{
struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl;
struct list_head bitmaps;
struct btrfs_free_space *entry, *tmp;
u64 min_bytes;
int ret;
@ -2322,11 +2414,16 @@ int btrfs_find_space_cluster(struct btrfs_trans_handle *trans,
goto out;
}
ret = setup_cluster_no_bitmap(block_group, cluster, offset, bytes,
min_bytes);
INIT_LIST_HEAD(&bitmaps);
ret = setup_cluster_no_bitmap(block_group, cluster, &bitmaps, offset,
bytes, min_bytes);
if (ret)
ret = setup_cluster_bitmap(block_group, cluster, offset,
bytes, min_bytes);
ret = setup_cluster_bitmap(block_group, cluster, &bitmaps,
offset, bytes, min_bytes);
/* Clear our temporary list */
list_for_each_entry_safe(entry, tmp, &bitmaps, list)
list_del_init(&entry->list);
if (!ret) {
atomic_inc(&block_group->count);

4
fs/btrfs/inode.c
View File

@ -1986,7 +1986,7 @@ static int btrfs_readpage_end_io_hook(struct page *page, u64 start, u64 end,
}
if (BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM)
return 0;
goto good;
if (root->root_key.objectid == BTRFS_DATA_RELOC_TREE_OBJECTID &&
test_range_bit(io_tree, start, end, EXTENT_NODATASUM, 1, NULL)) {
@ -3646,7 +3646,7 @@ void btrfs_evict_inode(struct inode *inode)
btrfs_i_size_write(inode, 0);
while (1) {
trans = btrfs_start_transaction(root, 0);
trans = btrfs_join_transaction(root);
BUG_ON(IS_ERR(trans));
trans->block_rsv = root->orphan_block_rsv;

23
fs/btrfs/ioctl.c
View File

@ -2054,29 +2054,34 @@ static long btrfs_ioctl_rm_dev(struct btrfs_root *root, void __user *arg)
static long btrfs_ioctl_fs_info(struct btrfs_root *root, void __user *arg)
{
struct btrfs_ioctl_fs_info_args fi_args;
struct btrfs_ioctl_fs_info_args *fi_args;
struct btrfs_device *device;
struct btrfs_device *next;
struct btrfs_fs_devices *fs_devices = root->fs_info->fs_devices;
int ret = 0;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
fi_args.num_devices = fs_devices->num_devices;
fi_args.max_id = 0;
memcpy(&fi_args.fsid, root->fs_info->fsid, sizeof(fi_args.fsid));
fi_args = kzalloc(sizeof(*fi_args), GFP_KERNEL);
if (!fi_args)
return -ENOMEM;
fi_args->num_devices = fs_devices->num_devices;
memcpy(&fi_args->fsid, root->fs_info->fsid, sizeof(fi_args->fsid));
mutex_lock(&fs_devices->device_list_mutex);
list_for_each_entry_safe(device, next, &fs_devices->devices, dev_list) {
if (device->devid > fi_args.max_id)
fi_args.max_id = device->devid;
if (device->devid > fi_args->max_id)
fi_args->max_id = device->devid;
}
mutex_unlock(&fs_devices->device_list_mutex);
if (copy_to_user(arg, &fi_args, sizeof(fi_args)))
return -EFAULT;
if (copy_to_user(arg, fi_args, sizeof(*fi_args)))
ret = -EFAULT;
return 0;
kfree(fi_args);
return ret;
}
static long btrfs_ioctl_dev_info(struct btrfs_root *root, void __user *arg)

69
fs/btrfs/scrub.c
View File

@ -16,13 +16,7 @@
* Boston, MA 021110-1307, USA.
*/
#include <linux/sched.h>
#include <linux/pagemap.h>
#include <linux/writeback.h>
#include <linux/blkdev.h>
#include <linux/rbtree.h>
#include <linux/slab.h>
#include <linux/workqueue.h>
#include "ctree.h"
#include "volumes.h"
#include "disk-io.h"
@ -804,18 +798,12 @@ static noinline_for_stack int scrub_stripe(struct scrub_dev *sdev,
ret = btrfs_search_slot(NULL, root, &key, path, 0, 0);
if (ret < 0)
goto out;
l = path->nodes[0];
slot = path->slots[0];
btrfs_item_key_to_cpu(l, &key, slot);
if (key.objectid != logical) {
ret = btrfs_previous_item(root, path, 0,
BTRFS_EXTENT_ITEM_KEY);
if (ret < 0)
goto out;
}
goto out_noplug;
/*
* we might miss half an extent here, but that doesn't matter,
* as it's only the prefetch
*/
while (1) {
l = path->nodes[0];
slot = path->slots[0];
@ -824,7 +812,7 @@ static noinline_for_stack int scrub_stripe(struct scrub_dev *sdev,
if (ret == 0)
continue;
if (ret < 0)
goto out;
goto out_noplug;
break;
}
@ -906,15 +894,20 @@ again:
ret = btrfs_search_slot(NULL, root, &key, path, 0, 0);
if (ret < 0)
goto out;
l = path->nodes[0];
slot = path->slots[0];
btrfs_item_key_to_cpu(l, &key, slot);
if (key.objectid != logical) {
if (ret > 0) {
ret = btrfs_previous_item(root, path, 0,
BTRFS_EXTENT_ITEM_KEY);
if (ret < 0)
goto out;
if (ret > 0) {
/* there's no smaller item, so stick with the
* larger one */
btrfs_release_path(path);
ret = btrfs_search_slot(NULL, root, &key,
path, 0, 0);
if (ret < 0)
goto out;
}
}
while (1) {
@ -989,6 +982,7 @@ next:
out:
blk_finish_plug(&plug);
out_noplug:
btrfs_free_path(path);
return ret < 0 ? ret : 0;
}
@ -1064,8 +1058,15 @@ int scrub_enumerate_chunks(struct scrub_dev *sdev, u64 start, u64 end)
while (1) {
ret = btrfs_search_slot(NULL, root, &key, path, 0, 0);
if (ret < 0)
goto out;
ret = 0;
break;
if (ret > 0) {
if (path->slots[0] >=
btrfs_header_nritems(path->nodes[0])) {
ret = btrfs_next_leaf(root, path);
if (ret)
break;
}
}
l = path->nodes[0];
slot = path->slots[0];
@ -1075,7 +1076,7 @@ int scrub_enumerate_chunks(struct scrub_dev *sdev, u64 start, u64 end)
if (found_key.objectid != sdev->dev->devid)
break;
if (btrfs_key_type(&key) != BTRFS_DEV_EXTENT_KEY)
if (btrfs_key_type(&found_key) != BTRFS_DEV_EXTENT_KEY)
break;
if (found_key.offset >= end)
@ -1104,7 +1105,7 @@ int scrub_enumerate_chunks(struct scrub_dev *sdev, u64 start, u64 end)
cache = btrfs_lookup_block_group(fs_info, chunk_offset);
if (!cache) {
ret = -ENOENT;
goto out;
break;
}
ret = scrub_chunk(sdev, chunk_tree, chunk_objectid,
chunk_offset, length);
@ -1116,9 +1117,13 @@ int scrub_enumerate_chunks(struct scrub_dev *sdev, u64 start, u64 end)
btrfs_release_path(path);
}
out:
btrfs_free_path(path);
return ret;
/*
* ret can still be 1 from search_slot or next_leaf,
* that's not an error
*/
return ret < 0 ? ret : 0;
}
static noinline_for_stack int scrub_supers(struct scrub_dev *sdev)
@ -1155,8 +1160,12 @@ static noinline_for_stack int scrub_workers_get(struct btrfs_root *root)
struct btrfs_fs_info *fs_info = root->fs_info;
mutex_lock(&fs_info->scrub_lock);
if (fs_info->scrub_workers_refcnt == 0)
if (fs_info->scrub_workers_refcnt == 0) {
btrfs_init_workers(&fs_info->scrub_workers, "scrub",
fs_info->thread_pool_size, &fs_info->generic_worker);
fs_info->scrub_workers.idle_thresh = 4;
btrfs_start_workers(&fs_info->scrub_workers, 1);
}
++fs_info->scrub_workers_refcnt;
mutex_unlock(&fs_info->scrub_lock);

7
fs/btrfs/transaction.c
View File

@ -349,7 +349,7 @@ int btrfs_wait_for_commit(struct btrfs_root *root, u64 transid)
list) {
if (t->in_commit) {
if (t->commit_done)
goto out;
break;
cur_trans = t;
atomic_inc(&cur_trans->use_count);
break;
@ -1118,8 +1118,11 @@ int btrfs_commit_transaction_async(struct btrfs_trans_handle *trans,
wait_current_trans_commit_start_and_unblock(root, cur_trans);
else
wait_current_trans_commit_start(root, cur_trans);
put_transaction(cur_trans);
if (current->journal_info == trans)
current->journal_info = NULL;
put_transaction(cur_trans);
return 0;
}

8
fs/btrfs/volumes.c
View File

@ -689,12 +689,8 @@ int btrfs_scan_one_device(const char *path, fmode_t flags, void *holder,
transid = btrfs_super_generation(disk_super);
if (disk_super->label[0])
printk(KERN_INFO "device label %s ", disk_super->label);
else {
/* FIXME, make a readl uuid parser */
printk(KERN_INFO "device fsid %llx-%llx ",
*(unsigned long long *)disk_super->fsid,
*(unsigned long long *)(disk_super->fsid + 8));
}
else
printk(KERN_INFO "device fsid %pU ", disk_super->fsid);
printk(KERN_CONT "devid %llu transid %llu %s\n",
(unsigned long long)devid, (unsigned long long)transid, path);
ret = device_list_add(path, disk_super, devid, fs_devices_ret);