* just before they are sent down the IO stack.
*/
struct async_submit_bio {
- void *private_data;
+ struct inode *inode;
struct bio *bio;
extent_submit_bio_start_t *submit_bio_start;
int mirror_num;
# error
# endif
+#define DEFINE_LEVEL(stem, level) \
+ .names[level] = "btrfs-" stem "-0" #level,
+
+#define DEFINE_NAME(stem) \
+ DEFINE_LEVEL(stem, 0) \
+ DEFINE_LEVEL(stem, 1) \
+ DEFINE_LEVEL(stem, 2) \
+ DEFINE_LEVEL(stem, 3) \
+ DEFINE_LEVEL(stem, 4) \
+ DEFINE_LEVEL(stem, 5) \
+ DEFINE_LEVEL(stem, 6) \
+ DEFINE_LEVEL(stem, 7)
+
static struct btrfs_lockdep_keyset {
u64 id; /* root objectid */
- const char *name_stem; /* lock name stem */
- char names[BTRFS_MAX_LEVEL + 1][20];
- struct lock_class_key keys[BTRFS_MAX_LEVEL + 1];
+ /* Longest entry: btrfs-free-space-00 */
+ char names[BTRFS_MAX_LEVEL][20];
+ struct lock_class_key keys[BTRFS_MAX_LEVEL];
} btrfs_lockdep_keysets[] = {
- { .id = BTRFS_ROOT_TREE_OBJECTID, .name_stem = "root" },
- { .id = BTRFS_EXTENT_TREE_OBJECTID, .name_stem = "extent" },
- { .id = BTRFS_CHUNK_TREE_OBJECTID, .name_stem = "chunk" },
- { .id = BTRFS_DEV_TREE_OBJECTID, .name_stem = "dev" },
- { .id = BTRFS_FS_TREE_OBJECTID, .name_stem = "fs" },
- { .id = BTRFS_CSUM_TREE_OBJECTID, .name_stem = "csum" },
- { .id = BTRFS_QUOTA_TREE_OBJECTID, .name_stem = "quota" },
- { .id = BTRFS_TREE_LOG_OBJECTID, .name_stem = "log" },
- { .id = BTRFS_TREE_RELOC_OBJECTID, .name_stem = "treloc" },
- { .id = BTRFS_DATA_RELOC_TREE_OBJECTID, .name_stem = "dreloc" },
- { .id = BTRFS_UUID_TREE_OBJECTID, .name_stem = "uuid" },
- { .id = BTRFS_FREE_SPACE_TREE_OBJECTID, .name_stem = "free-space" },
- { .id = 0, .name_stem = "tree" },
+ { .id = BTRFS_ROOT_TREE_OBJECTID, DEFINE_NAME("root") },
+ { .id = BTRFS_EXTENT_TREE_OBJECTID, DEFINE_NAME("extent") },
+ { .id = BTRFS_CHUNK_TREE_OBJECTID, DEFINE_NAME("chunk") },
+ { .id = BTRFS_DEV_TREE_OBJECTID, DEFINE_NAME("dev") },
+ { .id = BTRFS_FS_TREE_OBJECTID, DEFINE_NAME("fs") },
+ { .id = BTRFS_CSUM_TREE_OBJECTID, DEFINE_NAME("csum") },
+ { .id = BTRFS_QUOTA_TREE_OBJECTID, DEFINE_NAME("quota") },
+ { .id = BTRFS_TREE_LOG_OBJECTID, DEFINE_NAME("log") },
+ { .id = BTRFS_TREE_RELOC_OBJECTID, DEFINE_NAME("treloc") },
+ { .id = BTRFS_DATA_RELOC_TREE_OBJECTID, DEFINE_NAME("dreloc") },
+ { .id = BTRFS_UUID_TREE_OBJECTID, DEFINE_NAME("uuid") },
+ { .id = BTRFS_FREE_SPACE_TREE_OBJECTID, DEFINE_NAME("free-space") },
+ { .id = 0, DEFINE_NAME("tree") },
};
-void __init btrfs_init_lockdep(void)
-{
- int i, j;
-
- /* initialize lockdep class names */
- for (i = 0; i < ARRAY_SIZE(btrfs_lockdep_keysets); i++) {
- struct btrfs_lockdep_keyset *ks = &btrfs_lockdep_keysets[i];
-
- for (j = 0; j < ARRAY_SIZE(ks->names); j++)
- snprintf(ks->names[j], sizeof(ks->names[j]),
- "btrfs-%s-%02d", ks->name_stem, j);
- }
-}
+#undef DEFINE_LEVEL
+#undef DEFINE_NAME
void btrfs_set_buffer_lockdep_class(u64 objectid, struct extent_buffer *eb,
int level)
crypto_shash_digest(shash, raw_disk_sb + BTRFS_CSUM_SIZE,
BTRFS_SUPER_INFO_SIZE - BTRFS_CSUM_SIZE, result);
- if (memcmp(disk_sb->csum, result, btrfs_super_csum_size(disk_sb)))
+ if (memcmp(disk_sb->csum, result, fs_info->csum_size))
return 1;
return 0;
u64 start = page_offset(page);
u64 found_start;
u8 result[BTRFS_CSUM_SIZE];
- u16 csum_size = btrfs_super_csum_size(fs_info->super_copy);
struct extent_buffer *eb;
int ret;
WARN_ON(IS_ENABLED(CONFIG_BTRFS_DEBUG));
return ret;
}
- write_extent_buffer(eb, result, 0, csum_size);
+ write_extent_buffer(eb, result, 0, fs_info->csum_size);
return 0;
}
eb = (struct extent_buffer *)page->private;
fs_info = eb->fs_info;
- csum_size = btrfs_super_csum_size(fs_info->super_copy);
+ csum_size = fs_info->csum_size;
/* the pending IO might have been the only thing that kept this buffer
* in memory. Make sure we have a ref for all this other checks
blk_status_t ret;
async = container_of(work, struct async_submit_bio, work);
- ret = async->submit_bio_start(async->private_data, async->bio,
- async->bio_offset);
+ ret = async->submit_bio_start(async->inode, async->bio, async->bio_offset);
if (ret)
async->status = ret;
}
blk_status_t ret;
async = container_of(work, struct async_submit_bio, work);
- inode = async->private_data;
+ inode = async->inode;
/* If an error occurred we just want to clean up the bio and move on */
if (async->status) {
kfree(async);
}
-blk_status_t btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct bio *bio,
+blk_status_t btrfs_wq_submit_bio(struct inode *inode, struct bio *bio,
int mirror_num, unsigned long bio_flags,
- u64 bio_offset, void *private_data,
+ u64 bio_offset,
extent_submit_bio_start_t *submit_bio_start)
{
+ struct btrfs_fs_info *fs_info = BTRFS_I(inode)->root->fs_info;
struct async_submit_bio *async;
async = kmalloc(sizeof(*async), GFP_NOFS);
if (!async)
return BLK_STS_RESOURCE;
- async->private_data = private_data;
+ async->inode = inode;
async->bio = bio;
async->mirror_num = mirror_num;
async->submit_bio_start = submit_bio_start;
return errno_to_blk_status(ret);
}
-static blk_status_t btree_submit_bio_start(void *private_data, struct bio *bio,
- u64 bio_offset)
+static blk_status_t btree_submit_bio_start(struct inode *inode, struct bio *bio,
+ u64 bio_offset)
{
/*
* when we're called for a write, we're already in the async
* kthread helpers are used to submit writes so that
* checksumming can happen in parallel across all CPUs
*/
- ret = btrfs_wq_submit_bio(fs_info, bio, mirror_num, 0,
- 0, inode, btree_submit_bio_start);
+ ret = btrfs_wq_submit_bio(inode, bio, mirror_num, 0,
+ 0, btree_submit_bio_start);
}
if (ret)
root->commit_root = btrfs_root_node(root);
set_bit(BTRFS_ROOT_TRACK_DIRTY, &root->state);
- root->root_item.flags = 0;
- root->root_item.byte_limit = 0;
+ btrfs_set_root_flags(&root->root_item, 0);
+ btrfs_set_root_limit(&root->root_item, 0);
btrfs_set_root_bytenr(&root->root_item, leaf->start);
btrfs_set_root_generation(&root->root_item, trans->transid);
btrfs_set_root_level(&root->root_item, 0);
generate_random_guid(root->root_item.uuid);
else
export_guid(root->root_item.uuid, &guid_null);
- root->root_item.drop_level = 0;
+ btrfs_set_root_drop_level(&root->root_item, 0);
key.objectid = objectid;
key.type = BTRFS_ROOT_ITEM_KEY;
struct btrfs_trans_handle *trans;
struct btrfs_transaction *cur;
u64 transid;
- time64_t now;
+ time64_t delta;
unsigned long delay;
bool cannot_commit;
do {
cannot_commit = false;
- delay = HZ * fs_info->commit_interval;
+ delay = msecs_to_jiffies(fs_info->commit_interval * 1000);
mutex_lock(&fs_info->transaction_kthread_mutex);
spin_lock(&fs_info->trans_lock);
goto sleep;
}
- now = ktime_get_seconds();
+ delta = ktime_get_seconds() - cur->start_time;
if (cur->state < TRANS_STATE_COMMIT_START &&
- (now < cur->start_time ||
- now - cur->start_time < fs_info->commit_interval)) {
+ delta < fs_info->commit_interval) {
spin_unlock(&fs_info->trans_lock);
- delay = HZ * 5;
+ delay -= msecs_to_jiffies((delta - 1) * 1000);
+ delay = min(delay,
+ msecs_to_jiffies(fs_info->commit_interval * 1000));
goto sleep;
}
transid = cur->transid;
root = btrfs_read_tree_root(tree_root, &location);
if (IS_ERR(root)) {
- ret = PTR_ERR(root);
- goto out;
+ if (!btrfs_test_opt(fs_info, IGNOREBADROOTS)) {
+ ret = PTR_ERR(root);
+ goto out;
+ }
+ } else {
+ set_bit(BTRFS_ROOT_TRACK_DIRTY, &root->state);
+ fs_info->extent_root = root;
}
- set_bit(BTRFS_ROOT_TRACK_DIRTY, &root->state);
- fs_info->extent_root = root;
location.objectid = BTRFS_DEV_TREE_OBJECTID;
root = btrfs_read_tree_root(tree_root, &location);
if (IS_ERR(root)) {
- ret = PTR_ERR(root);
- goto out;
+ if (!btrfs_test_opt(fs_info, IGNOREBADROOTS)) {
+ ret = PTR_ERR(root);
+ goto out;
+ }
+ } else {
+ set_bit(BTRFS_ROOT_TRACK_DIRTY, &root->state);
+ fs_info->dev_root = root;
+ btrfs_init_devices_late(fs_info);
}
- set_bit(BTRFS_ROOT_TRACK_DIRTY, &root->state);
- fs_info->dev_root = root;
- btrfs_init_devices_late(fs_info);
- location.objectid = BTRFS_CSUM_TREE_OBJECTID;
- root = btrfs_read_tree_root(tree_root, &location);
- if (IS_ERR(root)) {
- ret = PTR_ERR(root);
- goto out;
+ /* If IGNOREDATACSUMS is set don't bother reading the csum root. */
+ if (!btrfs_test_opt(fs_info, IGNOREDATACSUMS)) {
+ location.objectid = BTRFS_CSUM_TREE_OBJECTID;
+ root = btrfs_read_tree_root(tree_root, &location);
+ if (IS_ERR(root)) {
+ if (!btrfs_test_opt(fs_info, IGNOREBADROOTS)) {
+ ret = PTR_ERR(root);
+ goto out;
+ }
+ } else {
+ set_bit(BTRFS_ROOT_TRACK_DIRTY, &root->state);
+ fs_info->csum_root = root;
+ }
}
- set_bit(BTRFS_ROOT_TRACK_DIRTY, &root->state);
- fs_info->csum_root = root;
/*
* This tree can share blocks with some other fs tree during relocation
root = btrfs_get_fs_root(tree_root->fs_info,
BTRFS_DATA_RELOC_TREE_OBJECTID, true);
if (IS_ERR(root)) {
- ret = PTR_ERR(root);
- goto out;
+ if (!btrfs_test_opt(fs_info, IGNOREBADROOTS)) {
+ ret = PTR_ERR(root);
+ goto out;
+ }
+ } else {
+ set_bit(BTRFS_ROOT_TRACK_DIRTY, &root->state);
+ fs_info->data_reloc_root = root;
}
- set_bit(BTRFS_ROOT_TRACK_DIRTY, &root->state);
- fs_info->data_reloc_root = root;
location.objectid = BTRFS_QUOTA_TREE_OBJECTID;
root = btrfs_read_tree_root(tree_root, &location);
location.objectid = BTRFS_UUID_TREE_OBJECTID;
root = btrfs_read_tree_root(tree_root, &location);
if (IS_ERR(root)) {
- ret = PTR_ERR(root);
- if (ret != -ENOENT)
- goto out;
+ if (!btrfs_test_opt(fs_info, IGNOREBADROOTS)) {
+ ret = PTR_ERR(root);
+ if (ret != -ENOENT)
+ goto out;
+ }
} else {
set_bit(BTRFS_ROOT_TRACK_DIRTY, &root->state);
fs_info->uuid_root = root;
location.objectid = BTRFS_FREE_SPACE_TREE_OBJECTID;
root = btrfs_read_tree_root(tree_root, &location);
if (IS_ERR(root)) {
- ret = PTR_ERR(root);
- goto out;
+ if (!btrfs_test_opt(fs_info, IGNOREBADROOTS)) {
+ ret = PTR_ERR(root);
+ goto out;
+ }
+ } else {
+ set_bit(BTRFS_ROOT_TRACK_DIRTY, &root->state);
+ fs_info->free_space_root = root;
}
- set_bit(BTRFS_ROOT_TRACK_DIRTY, &root->state);
- fs_info->free_space_root = root;
}
return 0;
/* Usable values until the real ones are cached from the superblock */
fs_info->nodesize = 4096;
fs_info->sectorsize = 4096;
+ fs_info->sectorsize_bits = ilog2(4096);
fs_info->stripesize = 4096;
spin_lock_init(&fs_info->swapfile_pins_lock);
/* Cache block sizes */
fs_info->nodesize = nodesize;
fs_info->sectorsize = sectorsize;
+ fs_info->sectorsize_bits = ilog2(sectorsize);
+ fs_info->csum_size = btrfs_super_csum_size(disk_super);
+ fs_info->csums_per_leaf = BTRFS_MAX_ITEM_SIZE(fs_info) / fs_info->csum_size;
fs_info->stripesize = stripesize;
/*
}
set_bit(BTRFS_FS_OPEN, &fs_info->flags);
- /*
- * backuproot only affect mount behavior, and if open_ctree succeeded,
- * no need to keep the flag
- */
- btrfs_clear_opt(fs_info->mount_opt, USEBACKUPROOT);
-
return 0;
fail_qgroup:
projects / linux-2.6-microblaze.git / blobdiff