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提交 0b246afa 编写于 作者: J Jeff Mahoney 提交者： David Sterba
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btrfs: root->fs_info cleanup, add fs_info convenience variables 

In routines where someptr->fs_info is referenced multiple times, we
introduce a convenience variable.  This makes the code considerably
more readable.
Signed-off-by: NJeff Mahoney <jeffm@suse.com>
Signed-off-by: NDavid Sterba <dsterba@suse.com>
上级 6202df69
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Showing with 2251 addition and 2016 deletion
fs/btrfs/check-integrity.c
浏览文件 @ 0b246afa
......@@ -646,11 +646,12 @@ static struct btrfsic_dev_state *btrfsic_dev_state_hashtable_lookup(
static int btrfsic_process_superblock(struct btrfsic_state *state,
struct btrfs_fs_devices *fs_devices)
{
int ret = 0;
struct btrfs_fs_info *fs_info = state->fs_info;
struct btrfs_super_block *selected_super;
struct list_head *dev_head = &fs_devices->devices;
struct btrfs_device *device;
struct btrfsic_dev_state *selected_dev_state = NULL;
int ret = 0;
int pass;
BUG_ON(NULL == state);
......@@ -716,9 +717,8 @@ static int btrfsic_process_superblock(struct btrfsic_state *state,
break;
}
num_copies =
btrfs_num_copies(state->fs_info,
next_bytenr, state->metablock_size);
num_copies = btrfs_num_copies(fs_info, next_bytenr,
state->metablock_size);
if (state->print_mask & BTRFSIC_PRINT_MASK_NUM_COPIES)
pr_info("num_copies(log_bytenr=%llu) = %d\n",
next_bytenr, num_copies);
......@@ -783,6 +783,7 @@ static int btrfsic_process_superblock_dev_mirror(
struct btrfsic_dev_state **selected_dev_state,
struct btrfs_super_block *selected_super)
{
struct btrfs_fs_info *fs_info = state->fs_info;
struct btrfs_super_block *super_tmp;
u64 dev_bytenr;
struct buffer_head *bh;
......@@ -832,7 +833,7 @@ static int btrfsic_process_superblock_dev_mirror(
superblock_tmp->never_written = 0;
superblock_tmp->mirror_num = 1 + superblock_mirror_num;
if (state->print_mask & BTRFSIC_PRINT_MASK_SUPERBLOCK_WRITE)
btrfs_info_in_rcu(device->fs_info,
btrfs_info_in_rcu(fs_info,
"new initial S-block (bdev %p, %s) @%llu (%s/%llu/%d)",
superblock_bdev,
rcu_str_deref(device->name), dev_bytenr,
......@@ -887,9 +888,8 @@ static int btrfsic_process_superblock_dev_mirror(
break;
}
num_copies =
btrfs_num_copies(state->fs_info,
next_bytenr, state->metablock_size);
num_copies = btrfs_num_copies(fs_info, next_bytenr,
state->metablock_size);
if (state->print_mask & BTRFSIC_PRINT_MASK_NUM_COPIES)
pr_info("num_copies(log_bytenr=%llu) = %d\n",
next_bytenr, num_copies);
......@@ -1254,6 +1254,7 @@ static int btrfsic_create_link_to_next_block(
struct btrfs_disk_key *disk_key,
u64 parent_generation)
{
struct btrfs_fs_info *fs_info = state->fs_info;
struct btrfsic_block *next_block = NULL;
int ret;
struct btrfsic_block_link *l;
......@@ -1262,9 +1263,8 @@ static int btrfsic_create_link_to_next_block(
*next_blockp = NULL;
if (0 == *num_copiesp) {
*num_copiesp =
btrfs_num_copies(state->fs_info,
next_bytenr, state->metablock_size);
*num_copiesp = btrfs_num_copies(fs_info, next_bytenr,
state->metablock_size);
if (state->print_mask & BTRFSIC_PRINT_MASK_NUM_COPIES)
pr_info("num_copies(log_bytenr=%llu) = %d\n",
next_bytenr, *num_copiesp);
......@@ -1390,13 +1390,14 @@ static int btrfsic_handle_extent_data(
struct btrfsic_block_data_ctx *block_ctx,
u32 item_offset, int force_iodone_flag)
{
int ret;
struct btrfs_fs_info *fs_info = state->fs_info;
struct btrfs_file_extent_item file_extent_item;
u64 file_extent_item_offset;
u64 next_bytenr;
u64 num_bytes;
u64 generation;
struct btrfsic_block_link *l;
int ret;
file_extent_item_offset = offsetof(struct btrfs_leaf, items) +
item_offset;
......@@ -1456,9 +1457,8 @@ static int btrfsic_handle_extent_data(
else
chunk_len = num_bytes;
num_copies =
btrfs_num_copies(state->fs_info,
next_bytenr, state->datablock_size);
num_copies = btrfs_num_copies(fs_info, next_bytenr,
state->datablock_size);
if (state->print_mask & BTRFSIC_PRINT_MASK_NUM_COPIES)
pr_info("num_copies(log_bytenr=%llu) = %d\n",
next_bytenr, num_copies);
......@@ -1533,13 +1533,14 @@ static int btrfsic_map_block(struct btrfsic_state *state, u64 bytenr, u32 len,
struct btrfsic_block_data_ctx *block_ctx_out,
int mirror_num)
{
struct btrfs_fs_info *fs_info = state->fs_info;
int ret;
u64 length;
struct btrfs_bio *multi = NULL;
struct btrfs_device *device;
length = len;
ret = btrfs_map_block(state->fs_info, BTRFS_MAP_READ,
ret = btrfs_map_block(fs_info, BTRFS_MAP_READ,
bytenr, &length, &multi, mirror_num);
if (ret) {
......@@ -1731,6 +1732,7 @@ static void btrfsic_dump_database(struct btrfsic_state *state)
static int btrfsic_test_for_metadata(struct btrfsic_state *state,
char **datav, unsigned int num_pages)
{
struct btrfs_fs_info *fs_info = state->fs_info;
struct btrfs_header *h;
u8 csum[BTRFS_CSUM_SIZE];
u32 crc = ~(u32)0;
......@@ -1741,7 +1743,7 @@ static int btrfsic_test_for_metadata(struct btrfsic_state *state,
num_pages = state->metablock_size >> PAGE_SHIFT;
h = (struct btrfs_header *)datav[0];
if (memcmp(h->fsid, state->fs_info->fsid, BTRFS_UUID_SIZE))
if (memcmp(h->fsid, fs_info->fsid, BTRFS_UUID_SIZE))
return 1;
for (i = 0; i < num_pages; i++) {
......@@ -2202,6 +2204,7 @@ static int btrfsic_process_written_superblock(
struct btrfsic_block *const superblock,
struct btrfs_super_block *const super_hdr)
{
struct btrfs_fs_info *fs_info = state->fs_info;
int pass;
superblock->generation = btrfs_super_generation(super_hdr);
......@@ -2275,9 +2278,8 @@ static int btrfsic_process_written_superblock(
break;
}
num_copies =
btrfs_num_copies(state->fs_info,
next_bytenr, BTRFS_SUPER_INFO_SIZE);
num_copies = btrfs_num_copies(fs_info, next_bytenr,
BTRFS_SUPER_INFO_SIZE);
if (state->print_mask & BTRFSIC_PRINT_MASK_NUM_COPIES)
pr_info("num_copies(log_bytenr=%llu) = %d\n",
next_bytenr, num_copies);
......@@ -2699,14 +2701,14 @@ static void btrfsic_cmp_log_and_dev_bytenr(struct btrfsic_state *state,
struct btrfsic_dev_state *dev_state,
u64 dev_bytenr)
{
struct btrfs_fs_info *fs_info = state->fs_info;
struct btrfsic_block_data_ctx block_ctx;
int num_copies;
int mirror_num;
int ret;
struct btrfsic_block_data_ctx block_ctx;
int match = 0;
int ret;
num_copies = btrfs_num_copies(state->fs_info,
bytenr, state->metablock_size);
num_copies = btrfs_num_copies(fs_info, bytenr, state->metablock_size);
for (mirror_num = 1; mirror_num <= num_copies; mirror_num++) {
ret = btrfsic_map_block(state, bytenr, state->metablock_size,
......@@ -2909,16 +2911,17 @@ int btrfsic_mount(struct btrfs_root *root,
int ret;
struct btrfsic_state *state;
struct list_head *dev_head = &fs_devices->devices;
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_device *device;
if (root->fs_info->nodesize & ((u64)PAGE_SIZE - 1)) {
if (fs_info->nodesize & ((u64)PAGE_SIZE - 1)) {
pr_info("btrfsic: cannot handle nodesize %d not being a multiple of PAGE_SIZE %ld!\n",
root->fs_info->nodesize, PAGE_SIZE);
fs_info->nodesize, PAGE_SIZE);
return -1;
}
if (root->fs_info->sectorsize & ((u64)PAGE_SIZE - 1)) {
if (fs_info->sectorsize & ((u64)PAGE_SIZE - 1)) {
pr_info("btrfsic: cannot handle sectorsize %d not being a multiple of PAGE_SIZE %ld!\n",
root->fs_info->sectorsize, PAGE_SIZE);
fs_info->sectorsize, PAGE_SIZE);
return -1;
}
state = kzalloc(sizeof(*state), GFP_KERNEL | __GFP_NOWARN | __GFP_REPEAT);
......@@ -2940,8 +2943,8 @@ int btrfsic_mount(struct btrfs_root *root,
state->print_mask = print_mask;
state->include_extent_data = including_extent_data;
state->csum_size = 0;
state->metablock_size = root->fs_info->nodesize;
state->datablock_size = root->fs_info->sectorsize;
state->metablock_size = fs_info->nodesize;
state->datablock_size = fs_info->sectorsize;
INIT_LIST_HEAD(&state->all_blocks_list);
btrfsic_block_hashtable_init(&state->block_hashtable);
btrfsic_block_link_hashtable_init(&state->block_link_hashtable);
......
fs/btrfs/compression.c
浏览文件 @ 0b246afa
......@@ -88,10 +88,11 @@ static int btrfs_decompress_bio(int type, struct page **pages_in,
static inline int compressed_bio_size(struct btrfs_root *root,
unsigned long disk_size)
{
u16 csum_size = btrfs_super_csum_size(root->fs_info->super_copy);
struct btrfs_fs_info *fs_info = root->fs_info;
u16 csum_size = btrfs_super_csum_size(fs_info->super_copy);
return sizeof(struct compressed_bio) +
(DIV_ROUND_UP(disk_size, root->fs_info->sectorsize)) * csum_size;
(DIV_ROUND_UP(disk_size, fs_info->sectorsize)) * csum_size;
}
static struct bio *compressed_bio_alloc(struct block_device *bdev,
......@@ -328,6 +329,7 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start,
struct page **compressed_pages,
unsigned long nr_pages)
{
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
struct bio *bio = NULL;
struct btrfs_root *root = BTRFS_I(inode)->root;
struct compressed_bio *cb;
......@@ -355,7 +357,7 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start,
cb->orig_bio = NULL;
cb->nr_pages = nr_pages;
bdev = BTRFS_I(inode)->root->fs_info->fs_devices->latest_bdev;
bdev = fs_info->fs_devices->latest_bdev;
bio = compressed_bio_alloc(bdev, first_byte, GFP_NOFS);
if (!bio) {
......@@ -391,7 +393,7 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start,
* freed before we're done setting it up
*/
atomic_inc(&cb->pending_bios);
ret = btrfs_bio_wq_end_io(root->fs_info, bio,
ret = btrfs_bio_wq_end_io(fs_info, bio,
BTRFS_WQ_ENDIO_DATA);
BUG_ON(ret); /* -ENOMEM */
......@@ -417,7 +419,7 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start,
bio_add_page(bio, page, PAGE_SIZE, 0);
}
if (bytes_left < PAGE_SIZE) {
btrfs_info(BTRFS_I(inode)->root->fs_info,
btrfs_info(fs_info,
"bytes left %lu compress len %lu nr %lu",
bytes_left, cb->compressed_len, cb->nr_pages);
}
......@@ -427,7 +429,7 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start,
}
bio_get(bio);
ret = btrfs_bio_wq_end_io(root->fs_info, bio, BTRFS_WQ_ENDIO_DATA);
ret = btrfs_bio_wq_end_io(fs_info, bio, BTRFS_WQ_ENDIO_DATA);
BUG_ON(ret); /* -ENOMEM */
if (!skip_sum) {
......@@ -575,6 +577,7 @@ static noinline int add_ra_bio_pages(struct inode *inode,
int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio,
int mirror_num, unsigned long bio_flags)
{
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
struct extent_io_tree *tree;
struct extent_map_tree *em_tree;
struct compressed_bio *cb;
......@@ -634,7 +637,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio,
if (!cb->compressed_pages)
goto fail1;
bdev = BTRFS_I(inode)->root->fs_info->fs_devices->latest_bdev;
bdev = fs_info->fs_devices->latest_bdev;
for (pg_index = 0; pg_index < nr_pages; pg_index++) {
cb->compressed_pages[pg_index] = alloc_page(GFP_NOFS |
......@@ -678,7 +681,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio,
PAGE_SIZE) {
bio_get(comp_bio);
ret = btrfs_bio_wq_end_io(root->fs_info, comp_bio,
ret = btrfs_bio_wq_end_io(fs_info, comp_bio,
BTRFS_WQ_ENDIO_DATA);
BUG_ON(ret); /* -ENOMEM */
......@@ -696,7 +699,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio,
BUG_ON(ret); /* -ENOMEM */
}
sums += DIV_ROUND_UP(comp_bio->bi_iter.bi_size,
root->fs_info->sectorsize);
fs_info->sectorsize);
ret = btrfs_map_bio(root, comp_bio, mirror_num, 0);
if (ret) {
......@@ -719,8 +722,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio,
}
bio_get(comp_bio);
ret = btrfs_bio_wq_end_io(root->fs_info, comp_bio,
BTRFS_WQ_ENDIO_DATA);
ret = btrfs_bio_wq_end_io(fs_info, comp_bio, BTRFS_WQ_ENDIO_DATA);
BUG_ON(ret); /* -ENOMEM */
if (!(BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM)) {
......
fs/btrfs/ctree.c
浏览文件 @ 0b246afa
此差异已折叠。
fs/btrfs/ctree.h
浏览文件 @ 0b246afa
......@@ -1352,9 +1352,11 @@ static inline int
btrfs_should_fragment_free_space(struct btrfs_root *root,
struct btrfs_block_group_cache *block_group)
{
return (btrfs_test_opt(root->fs_info, FRAGMENT_METADATA) &&
struct btrfs_fs_info *fs_info = root->fs_info;
return (btrfs_test_opt(fs_info, FRAGMENT_METADATA) &&
block_group->flags & BTRFS_BLOCK_GROUP_METADATA) ||
(btrfs_test_opt(root->fs_info, FRAGMENT_DATA) &&
(btrfs_test_opt(fs_info, FRAGMENT_DATA) &&
block_group->flags & BTRFS_BLOCK_GROUP_DATA);
}
#endif
......@@ -2312,10 +2314,11 @@ static inline unsigned long btrfs_leaf_data(struct extent_buffer *l)
static inline unsigned int leaf_data_end(struct btrfs_root *root,
struct extent_buffer *leaf)
{
struct btrfs_fs_info *fs_info = root->fs_info;
u32 nr = btrfs_header_nritems(leaf);
if (nr == 0)
return BTRFS_LEAF_DATA_SIZE(root->fs_info);
return BTRFS_LEAF_DATA_SIZE(fs_info);
return btrfs_item_offset_nr(leaf, nr - 1);
}
......@@ -2905,8 +2908,9 @@ static inline int btrfs_fs_closing(struct btrfs_fs_info *fs_info)
*/
static inline int btrfs_need_cleaner_sleep(struct btrfs_root *root)
{
return (root->fs_info->sb->s_flags & MS_RDONLY ||
btrfs_fs_closing(root->fs_info));
struct btrfs_fs_info *fs_info = root->fs_info;
return (fs_info->sb->s_flags & MS_RDONLY || btrfs_fs_closing(fs_info));
}
static inline void free_fs_info(struct btrfs_fs_info *fs_info)
......
fs/btrfs/delayed-inode.c
浏览文件 @ 0b246afa
......@@ -538,6 +538,7 @@ static int btrfs_delayed_item_reserve_metadata(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_delayed_item *item)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_block_rsv *src_rsv;
struct btrfs_block_rsv *dst_rsv;
u64 num_bytes;
......@@ -547,12 +548,12 @@ static int btrfs_delayed_item_reserve_metadata(struct btrfs_trans_handle *trans,
return 0;
src_rsv = trans->block_rsv;
dst_rsv = &root->fs_info->delayed_block_rsv;
dst_rsv = &fs_info->delayed_block_rsv;
num_bytes = btrfs_calc_trans_metadata_size(root->fs_info, 1);
num_bytes = btrfs_calc_trans_metadata_size(fs_info, 1);
ret = btrfs_block_rsv_migrate(src_rsv, dst_rsv, num_bytes, 1);
if (!ret) {
trace_btrfs_space_reservation(root->fs_info, "delayed_item",
trace_btrfs_space_reservation(fs_info, "delayed_item",
item->key.objectid,
num_bytes, 1);
item->bytes_reserved = num_bytes;
......@@ -564,13 +565,14 @@ static int btrfs_delayed_item_reserve_metadata(struct btrfs_trans_handle *trans,
static void btrfs_delayed_item_release_metadata(struct btrfs_root *root,
struct btrfs_delayed_item *item)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_block_rsv *rsv;
if (!item->bytes_reserved)
return;
rsv = &root->fs_info->delayed_block_rsv;
trace_btrfs_space_reservation(root->fs_info, "delayed_item",
rsv = &fs_info->delayed_block_rsv;
trace_btrfs_space_reservation(fs_info, "delayed_item",
item->key.objectid, item->bytes_reserved,
0);
btrfs_block_rsv_release(root, rsv,
......@@ -583,6 +585,7 @@ static int btrfs_delayed_inode_reserve_metadata(
struct inode *inode,
struct btrfs_delayed_node *node)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_block_rsv *src_rsv;
struct btrfs_block_rsv *dst_rsv;
u64 num_bytes;
......@@ -590,9 +593,9 @@ static int btrfs_delayed_inode_reserve_metadata(
bool release = false;
src_rsv = trans->block_rsv;
dst_rsv = &root->fs_info->delayed_block_rsv;
dst_rsv = &fs_info->delayed_block_rsv;
num_bytes = btrfs_calc_trans_metadata_size(root->fs_info, 1);
num_bytes = btrfs_calc_trans_metadata_size(fs_info, 1);
/*
* If our block_rsv is the delalloc block reserve then check and see if
......@@ -640,7 +643,7 @@ static int btrfs_delayed_inode_reserve_metadata(
ret = -ENOSPC;
if (!ret) {
node->bytes_reserved = num_bytes;
trace_btrfs_space_reservation(root->fs_info,
trace_btrfs_space_reservation(fs_info,
"delayed_inode",
btrfs_ino(inode),
num_bytes, 1);
......@@ -664,13 +667,13 @@ static int btrfs_delayed_inode_reserve_metadata(
* how block rsvs. work.
*/
if (!ret) {
trace_btrfs_space_reservation(root->fs_info, "delayed_inode",
trace_btrfs_space_reservation(fs_info, "delayed_inode",
btrfs_ino(inode), num_bytes, 1);
node->bytes_reserved = num_bytes;
}
if (release) {
trace_btrfs_space_reservation(root->fs_info, "delalloc",
trace_btrfs_space_reservation(fs_info, "delalloc",
btrfs_ino(inode), num_bytes, 0);
btrfs_block_rsv_release(root, src_rsv, num_bytes);
}
......@@ -681,13 +684,14 @@ static int btrfs_delayed_inode_reserve_metadata(
static void btrfs_delayed_inode_release_metadata(struct btrfs_root *root,
struct btrfs_delayed_node *node)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_block_rsv *rsv;
if (!node->bytes_reserved)
return;
rsv = &root->fs_info->delayed_block_rsv;
trace_btrfs_space_reservation(root->fs_info, "delayed_inode",
rsv = &fs_info->delayed_block_rsv;
trace_btrfs_space_reservation(fs_info, "delayed_inode",
node->inode_id, node->bytes_reserved, 0);
btrfs_block_rsv_release(root, rsv,
node->bytes_reserved);
......@@ -1140,6 +1144,7 @@ __btrfs_commit_inode_delayed_items(struct btrfs_trans_handle *trans,
static int __btrfs_run_delayed_items(struct btrfs_trans_handle *trans,
struct btrfs_root *root, int nr)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_delayed_root *delayed_root;
struct btrfs_delayed_node *curr_node, *prev_node;
struct btrfs_path *path;
......@@ -1156,7 +1161,7 @@ static int __btrfs_run_delayed_items(struct btrfs_trans_handle *trans,
path->leave_spinning = 1;
block_rsv = trans->block_rsv;
trans->block_rsv = &root->fs_info->delayed_block_rsv;
trans->block_rsv = &fs_info->delayed_block_rsv;
delayed_root = btrfs_get_delayed_root(root);
......@@ -1860,6 +1865,7 @@ int btrfs_delayed_update_inode(struct btrfs_trans_handle *trans,
int btrfs_delayed_delete_inode_ref(struct inode *inode)
{
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
struct btrfs_delayed_node *delayed_node;
/*
......@@ -1867,8 +1873,7 @@ int btrfs_delayed_delete_inode_ref(struct inode *inode)
* leads to enospc problems. This means we also can't do
* delayed inode refs
*/
if (test_bit(BTRFS_FS_LOG_RECOVERING,
&BTRFS_I(inode)->root->fs_info->flags))
if (test_bit(BTRFS_FS_LOG_RECOVERING, &fs_info->flags))
return -EAGAIN;
delayed_node = btrfs_get_or_create_delayed_node(inode);
......@@ -1895,7 +1900,7 @@ int btrfs_delayed_delete_inode_ref(struct inode *inode)
set_bit(BTRFS_DELAYED_NODE_DEL_IREF, &delayed_node->flags);
delayed_node->count++;
atomic_inc(&BTRFS_I(inode)->root->fs_info->delayed_root->items);
atomic_inc(&fs_info->delayed_root->items);
release_node:
mutex_unlock(&delayed_node->mutex);
btrfs_release_delayed_node(delayed_node);
......
fs/btrfs/dev-replace.c
浏览文件 @ 0b246afa
......@@ -142,7 +142,7 @@ int btrfs_init_dev_replace(struct btrfs_fs_info *fs_info)
* missing
*/
if (!dev_replace->srcdev &&
!btrfs_test_opt(dev_root->fs_info, DEGRADED)) {
!btrfs_test_opt(fs_info, DEGRADED)) {
ret = -EIO;
btrfs_warn(fs_info,
"cannot mount because device replace operation is ongoing and");
......@@ -151,7 +151,7 @@ int btrfs_init_dev_replace(struct btrfs_fs_info *fs_info)
src_devid);
}
if (!dev_replace->tgtdev &&
!btrfs_test_opt(dev_root->fs_info, DEGRADED)) {
!btrfs_test_opt(fs_info, DEGRADED)) {
ret = -EIO;
btrfs_warn(fs_info,
"cannot mount because device replace operation is ongoing and");
......@@ -387,7 +387,7 @@ int btrfs_dev_replace_start(struct btrfs_root *root, char *tgtdev_name,
if (ret)
btrfs_err(fs_info, "kobj add dev failed %d", ret);
btrfs_wait_ordered_roots(root->fs_info, -1, 0, (u64)-1);
btrfs_wait_ordered_roots(fs_info, -1, 0, (u64)-1);
/* force writing the updated state information to disk */
trans = btrfs_start_transaction(root, 0);
......@@ -501,12 +501,12 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info,
* flush all outstanding I/O and inode extent mappings before the
* copy operation is declared as being finished
*/
ret = btrfs_start_delalloc_roots(root->fs_info, 0, -1);
ret = btrfs_start_delalloc_roots(fs_info, 0, -1);
if (ret) {
mutex_unlock(&dev_replace->lock_finishing_cancel_unmount);
return ret;
}
btrfs_wait_ordered_roots(root->fs_info, -1, 0, (u64)-1);
btrfs_wait_ordered_roots(fs_info, -1, 0, (u64)-1);
trans = btrfs_start_transaction(root, 0);
if (IS_ERR(trans)) {
......@@ -518,8 +518,8 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info,
mutex_lock(&uuid_mutex);
/* keep away write_all_supers() during the finishing procedure */
mutex_lock(&root->fs_info->fs_devices->device_list_mutex);
mutex_lock(&root->fs_info->chunk_mutex);
mutex_lock(&fs_info->fs_devices->device_list_mutex);
mutex_lock(&fs_info->chunk_mutex);
btrfs_dev_replace_lock(dev_replace, 1);
dev_replace->replace_state =
scrub_ret ? BTRFS_IOCTL_DEV_REPLACE_STATE_CANCELED
......@@ -535,15 +535,15 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info,
src_device,
tgt_device);
} else {
btrfs_err_in_rcu(root->fs_info,
btrfs_err_in_rcu(fs_info,
"btrfs_scrub_dev(%s, %llu, %s) failed %d",
src_device->missing ? "<missing disk>" :
rcu_str_deref(src_device->name),
src_device->devid,
rcu_str_deref(tgt_device->name), scrub_ret);
btrfs_dev_replace_unlock(dev_replace, 1);
mutex_unlock(&root->fs_info->chunk_mutex);
mutex_unlock(&root->fs_info->fs_devices->device_list_mutex);
mutex_unlock(&fs_info->chunk_mutex);
mutex_unlock(&fs_info->fs_devices->device_list_mutex);
mutex_unlock(&uuid_mutex);
if (tgt_device)
btrfs_destroy_dev_replace_tgtdev(fs_info, tgt_device);
......@@ -552,7 +552,7 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info,
return scrub_ret;
}
btrfs_info_in_rcu(root->fs_info,
btrfs_info_in_rcu(fs_info,
"dev_replace from %s (devid %llu) to %s finished",
src_device->missing ? "<missing disk>" :
rcu_str_deref(src_device->name),
......@@ -592,8 +592,8 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info,
* superblock is scratched out so that it is no longer marked to
* belong to this filesystem.
*/
mutex_unlock(&root->fs_info->chunk_mutex);
mutex_unlock(&root->fs_info->fs_devices->device_list_mutex);
mutex_unlock(&fs_info->chunk_mutex);
mutex_unlock(&fs_info->fs_devices->device_list_mutex);
mutex_unlock(&uuid_mutex);
/* replace the sysfs entry */
......
fs/btrfs/dir-item.c
浏览文件 @ 0b246afa
......@@ -451,12 +451,12 @@ int verify_dir_item(struct btrfs_root *root,
struct extent_buffer *leaf,
struct btrfs_dir_item *dir_item)
{
struct btrfs_fs_info *fs_info = root->fs_info;
u16 namelen = BTRFS_NAME_LEN;
u8 type = btrfs_dir_type(leaf, dir_item);
if (type >= BTRFS_FT_MAX) {
btrfs_crit(root->fs_info, "invalid dir item type: %d",
(int)type);
btrfs_crit(fs_info, "invalid dir item type: %d", (int)type);
return 1;
}
......@@ -464,16 +464,16 @@ int verify_dir_item(struct btrfs_root *root,
namelen = XATTR_NAME_MAX;
if (btrfs_dir_name_len(leaf, dir_item) > namelen) {
btrfs_crit(root->fs_info, "invalid dir item name len: %u",
btrfs_crit(fs_info, "invalid dir item name len: %u",
(unsigned)btrfs_dir_data_len(leaf, dir_item));
return 1;
}
/* BTRFS_MAX_XATTR_SIZE is the same for all dir items */
if ((btrfs_dir_data_len(leaf, dir_item) +
btrfs_dir_name_len(leaf, dir_item)) > BTRFS_MAX_XATTR_SIZE(root->fs_info)) {
btrfs_crit(root->fs_info,
"invalid dir item name + data len: %u + %u",
btrfs_dir_name_len(leaf, dir_item)) >
BTRFS_MAX_XATTR_SIZE(fs_info)) {
btrfs_crit(fs_info, "invalid dir item name + data len: %u + %u",
(unsigned)btrfs_dir_name_len(leaf, dir_item),
(unsigned)btrfs_dir_data_len(leaf, dir_item));
return 1;
......
fs/btrfs/disk-io.c
浏览文件 @ 0b246afa
此差异已折叠。
fs/btrfs/export.c
浏览文件 @ 0b246afa
......@@ -153,6 +153,7 @@ static struct dentry *btrfs_fh_to_dentry(struct super_block *sb, struct fid *fh,
static struct dentry *btrfs_get_parent(struct dentry *child)
{
struct inode *dir = d_inode(child);
struct btrfs_fs_info *fs_info = btrfs_sb(dir->i_sb);
struct btrfs_root *root = BTRFS_I(dir)->root;
struct btrfs_path *path;
struct extent_buffer *leaf;
......@@ -169,7 +170,7 @@ static struct dentry *btrfs_get_parent(struct dentry *child)
key.objectid = root->root_key.objectid;
key.type = BTRFS_ROOT_BACKREF_KEY;
key.offset = (u64)-1;
root = root->fs_info->tree_root;
root = fs_info->tree_root;
} else {
key.objectid = btrfs_ino(dir);
key.type = BTRFS_INODE_REF_KEY;
......@@ -205,13 +206,13 @@ static struct dentry *btrfs_get_parent(struct dentry *child)
btrfs_free_path(path);
if (found_key.type == BTRFS_ROOT_BACKREF_KEY) {
return btrfs_get_dentry(root->fs_info->sb, key.objectid,
return btrfs_get_dentry(fs_info->sb, key.objectid,
found_key.offset, 0, 0);
}
key.type = BTRFS_INODE_ITEM_KEY;
key.offset = 0;
return d_obtain_alias(btrfs_iget(root->fs_info->sb, &key, root, NULL));
return d_obtain_alias(btrfs_iget(fs_info->sb, &key, root, NULL));
fail:
btrfs_free_path(path);
return ERR_PTR(ret);
......@@ -222,6 +223,7 @@ static int btrfs_get_name(struct dentry *parent, char *name,
{
struct inode *inode = d_inode(child);
struct inode *dir = d_inode(parent);
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
struct btrfs_path *path;
struct btrfs_root *root = BTRFS_I(dir)->root;
struct btrfs_inode_ref *iref;
......@@ -250,7 +252,7 @@ static int btrfs_get_name(struct dentry *parent, char *name,
key.objectid = BTRFS_I(inode)->root->root_key.objectid;
key.type = BTRFS_ROOT_BACKREF_KEY;
key.offset = (u64)-1;
root = root->fs_info->tree_root;
root = fs_info->tree_root;
} else {
key.objectid = ino;
key.offset = btrfs_ino(dir);
......
fs/btrfs/extent-tree.c
浏览文件 @ 0b246afa
此差异已折叠。
fs/btrfs/extent_io.c
浏览文件 @ 0b246afa
......@@ -2070,17 +2070,18 @@ int repair_io_failure(struct inode *inode, u64 start, u64 length, u64 logical,
int repair_eb_io_failure(struct btrfs_root *root, struct extent_buffer *eb,
int mirror_num)
{
struct btrfs_fs_info *fs_info = root->fs_info;
u64 start = eb->start;
unsigned long i, num_pages = num_extent_pages(eb->start, eb->len);
int ret = 0;
if (root->fs_info->sb->s_flags & MS_RDONLY)
if (fs_info->sb->s_flags & MS_RDONLY)
return -EROFS;
for (i = 0; i < num_pages; i++) {
struct page *p = eb->pages[i];
ret = repair_io_failure(root->fs_info->btree_inode, start,
ret = repair_io_failure(fs_info->btree_inode, start,
PAGE_SIZE, start, p,
start - page_offset(p), mirror_num);
if (ret)
......@@ -2341,6 +2342,7 @@ struct bio *btrfs_create_repair_bio(struct inode *inode, struct bio *failed_bio,
struct page *page, int pg_offset, int icsum,
bio_end_io_t *endio_func, void *data)
{
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
struct bio *bio;
struct btrfs_io_bio *btrfs_failed_bio;
struct btrfs_io_bio *btrfs_bio;
......@@ -2351,13 +2353,12 @@ struct bio *btrfs_create_repair_bio(struct inode *inode, struct bio *failed_bio,
bio->bi_end_io = endio_func;
bio->bi_iter.bi_sector = failrec->logical >> 9;
bio->bi_bdev = BTRFS_I(inode)->root->fs_info->fs_devices->latest_bdev;
bio->bi_bdev = fs_info->fs_devices->latest_bdev;
bio->bi_iter.bi_size = 0;
bio->bi_private = data;
btrfs_failed_bio = btrfs_io_bio(failed_bio);
if (btrfs_failed_bio->csum) {
struct btrfs_fs_info *fs_info = BTRFS_I(inode)->root->fs_info;
u16 csum_size = btrfs_super_csum_size(fs_info->super_copy);
btrfs_bio = btrfs_io_bio(bio);
......@@ -2476,6 +2477,8 @@ static void end_bio_extent_writepage(struct bio *bio)
bio_for_each_segment_all(bvec, bio, i) {
struct page *page = bvec->bv_page;
struct inode *inode = page->mapping->host;
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
/* We always issue full-page reads, but if some block
* in a page fails to read, blk_update_request() will
......@@ -2484,11 +2487,11 @@ static void end_bio_extent_writepage(struct bio *bio)
* if they don't add up to a full page. */
if (bvec->bv_offset || bvec->bv_len != PAGE_SIZE) {
if (bvec->bv_offset + bvec->bv_len != PAGE_SIZE)
btrfs_err(BTRFS_I(page->mapping->host)->root->fs_info,
btrfs_err(fs_info,
"partial page write in btrfs with offset %u and length %u",
bvec->bv_offset, bvec->bv_len);
else
btrfs_info(BTRFS_I(page->mapping->host)->root->fs_info,
btrfs_info(fs_info,
"incomplete page write in btrfs with offset %u and length %u",
bvec->bv_offset, bvec->bv_len);
}
......@@ -5789,6 +5792,7 @@ static void copy_pages(struct page *dst_page, struct page *src_page,
void memcpy_extent_buffer(struct extent_buffer *dst, unsigned long dst_offset,
unsigned long src_offset, unsigned long len)
{
struct btrfs_fs_info *fs_info = dst->fs_info;
size_t cur;
size_t dst_off_in_page;
size_t src_off_in_page;
......@@ -5797,13 +5801,13 @@ void memcpy_extent_buffer(struct extent_buffer *dst, unsigned long dst_offset,
unsigned long src_i;
if (src_offset + len > dst->len) {
btrfs_err(dst->fs_info,
btrfs_err(fs_info,
"memmove bogus src_offset %lu move len %lu dst len %lu",
src_offset, len, dst->len);
BUG_ON(1);
}
if (dst_offset + len > dst->len) {
btrfs_err(dst->fs_info,
btrfs_err(fs_info,
"memmove bogus dst_offset %lu move len %lu dst len %lu",
dst_offset, len, dst->len);
BUG_ON(1);
......@@ -5835,6 +5839,7 @@ void memcpy_extent_buffer(struct extent_buffer *dst, unsigned long dst_offset,
void memmove_extent_buffer(struct extent_buffer *dst, unsigned long dst_offset,
unsigned long src_offset, unsigned long len)
{
struct btrfs_fs_info *fs_info = dst->fs_info;
size_t cur;
size_t dst_off_in_page;
size_t src_off_in_page;
......@@ -5845,13 +5850,13 @@ void memmove_extent_buffer(struct extent_buffer *dst, unsigned long dst_offset,
unsigned long src_i;
if (src_offset + len > dst->len) {
btrfs_err(dst->fs_info,
btrfs_err(fs_info,
"memmove bogus src_offset %lu move len %lu len %lu",
src_offset, len, dst->len);
BUG_ON(1);
}
if (dst_offset + len > dst->len) {
btrfs_err(dst->fs_info,
btrfs_err(fs_info,
"memmove bogus dst_offset %lu move len %lu len %lu",
dst_offset, len, dst->len);
BUG_ON(1);
......
fs/btrfs/file-item.c
浏览文件 @ 0b246afa
此差异已折叠。
fs/btrfs/file.c
浏览文件 @ 0b246afa
此差异已折叠。
fs/btrfs/free-space-cache.c
浏览文件 @ 0b246afa
......@@ -47,6 +47,7 @@ static struct inode *__lookup_free_space_inode(struct btrfs_root *root,
struct btrfs_path *path,
u64 offset)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_key key;
struct btrfs_key location;
struct btrfs_disk_key disk_key;
......@@ -74,7 +75,7 @@ static struct inode *__lookup_free_space_inode(struct btrfs_root *root,
btrfs_disk_key_to_cpu(&location, &disk_key);
btrfs_release_path(path);
inode = btrfs_iget(root->fs_info->sb, &location, root, NULL);
inode = btrfs_iget(fs_info->sb, &location, root, NULL);
if (IS_ERR(inode))
return inode;
if (is_bad_inode(inode)) {
......@@ -94,6 +95,7 @@ struct inode *lookup_free_space_inode(struct btrfs_root *root,
*block_group, struct btrfs_path *path)
{
struct inode *inode = NULL;
struct btrfs_fs_info *fs_info = root->fs_info;
u32 flags = BTRFS_INODE_NODATASUM | BTRFS_INODE_NODATACOW;
spin_lock(&block_group->lock);
......@@ -110,8 +112,7 @@ struct inode *lookup_free_space_inode(struct btrfs_root *root,
spin_lock(&block_group->lock);
if (!((BTRFS_I(inode)->flags & flags) == flags)) {
btrfs_info(root->fs_info,
"Old style space inode found, converting.");
btrfs_info(fs_info, "Old style space inode found, converting.");
BTRFS_I(inode)->flags |= BTRFS_INODE_NODATASUM |
BTRFS_INODE_NODATACOW;
block_group->disk_cache_state = BTRFS_DC_CLEAR;
......@@ -206,12 +207,13 @@ int create_free_space_inode(struct btrfs_root *root,
int btrfs_check_trunc_cache_free_space(struct btrfs_root *root,
struct btrfs_block_rsv *rsv)
{
struct btrfs_fs_info *fs_info = root->fs_info;
u64 needed_bytes;
int ret;
/* 1 for slack space, 1 for updating the inode */
needed_bytes = btrfs_calc_trunc_metadata_size(root->fs_info, 1) +
btrfs_calc_trans_metadata_size(root->fs_info, 1);
needed_bytes = btrfs_calc_trunc_metadata_size(fs_info, 1) +
btrfs_calc_trans_metadata_size(fs_info, 1);
spin_lock(&rsv->lock);
if (rsv->reserved < needed_bytes)
......@@ -667,6 +669,7 @@ static int __load_free_space_cache(struct btrfs_root *root, struct inode *inode,
struct btrfs_free_space_ctl *ctl,
struct btrfs_path *path, u64 offset)
{
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
struct btrfs_free_space_header *header;
struct extent_buffer *leaf;
struct btrfs_io_ctl io_ctl;
......@@ -706,14 +709,14 @@ static int __load_free_space_cache(struct btrfs_root *root, struct inode *inode,
btrfs_release_path(path);
if (!BTRFS_I(inode)->generation) {
btrfs_info(root->fs_info,
btrfs_info(fs_info,
"The free space cache file (%llu) is invalid. skip it\n",
offset);
return 0;
}
if (BTRFS_I(inode)->generation != generation) {
btrfs_err(root->fs_info,
btrfs_err(fs_info,
"free space inode generation (%llu) did not match free space cache generation (%llu)",
BTRFS_I(inode)->generation, generation);
return 0;
......@@ -764,7 +767,7 @@ static int __load_free_space_cache(struct btrfs_root *root, struct inode *inode,
ret = link_free_space(ctl, e);
spin_unlock(&ctl->tree_lock);
if (ret) {
btrfs_err(root->fs_info,
btrfs_err(fs_info,
"Duplicate entries in free space cache, dumping");
kmem_cache_free(btrfs_free_space_cachep, e);
goto free_cache;
......@@ -784,7 +787,7 @@ static int __load_free_space_cache(struct btrfs_root *root, struct inode *inode,
ctl->op->recalc_thresholds(ctl);
spin_unlock(&ctl->tree_lock);
if (ret) {
btrfs_err(root->fs_info,
btrfs_err(fs_info,
"Duplicate entries in free space cache, dumping");
kmem_cache_free(btrfs_free_space_cachep, e);
goto free_cache;
......@@ -1036,6 +1039,7 @@ write_pinned_extent_entries(struct btrfs_root *root,
struct btrfs_io_ctl *io_ctl,
int *entries)
{
struct btrfs_fs_info *fs_info;
u64 start, extent_start, extent_end, len;
struct extent_io_tree *unpin = NULL;
int ret;
......@@ -1043,6 +1047,8 @@ write_pinned_extent_entries(struct btrfs_root *root,
if (!block_group)
return 0;
fs_info = block_group->fs_info;
/*
* We want to add any pinned extents to our free space cache
* so we don't leak the space
......@@ -1050,7 +1056,7 @@ write_pinned_extent_entries(struct btrfs_root *root,
* We shouldn't have switched the pinned extents yet so this is the
* right one
*/
unpin = root->fs_info->pinned_extents;
unpin = fs_info->pinned_extents;
start = block_group->key.objectid;
......@@ -1141,12 +1147,15 @@ int btrfs_wait_cache_io(struct btrfs_root *root,
{
int ret;
struct inode *inode = io_ctl->inode;
struct btrfs_fs_info *fs_info;
if (!inode)
return 0;
fs_info = btrfs_sb(inode->i_sb);
if (block_group)
root = root->fs_info->tree_root;
root = fs_info->tree_root;
/* Flush the dirty pages in the cache file. */
ret = flush_dirty_cache(inode);
......@@ -1163,7 +1172,7 @@ int btrfs_wait_cache_io(struct btrfs_root *root,
BTRFS_I(inode)->generation = 0;
if (block_group) {
#ifdef DEBUG
btrfs_err(root->fs_info,
btrfs_err(fs_info,
"failed to write free space cache for block group %llu",
block_group->key.objectid);
#endif
......@@ -1376,7 +1385,7 @@ int btrfs_write_out_cache(struct btrfs_fs_info *fs_info,
path, block_group->key.objectid);
if (ret) {
#ifdef DEBUG
btrfs_err(root->fs_info,
btrfs_err(fs_info,
"failed to write free space cache for block group %llu",
block_group->key.objectid);
#endif
......@@ -1965,11 +1974,11 @@ static bool use_bitmap(struct btrfs_free_space_ctl *ctl,
struct btrfs_free_space *info)
{
struct btrfs_block_group_cache *block_group = ctl->private;
struct btrfs_fs_info *fs_info = block_group->fs_info;
bool forced = false;
#ifdef CONFIG_BTRFS_DEBUG
if (btrfs_should_fragment_free_space(block_group->fs_info->extent_root,
block_group))
if (btrfs_should_fragment_free_space(fs_info->extent_root, block_group))
forced = true;
#endif
......@@ -1985,7 +1994,7 @@ static bool use_bitmap(struct btrfs_free_space_ctl *ctl,
* of cache left then go ahead an dadd them, no sense in adding
* the overhead of a bitmap if we don't have to.
*/
if (info->bytes <= block_group->fs_info->sectorsize * 4) {
if (info->bytes <= fs_info->sectorsize * 4) {
if (ctl->free_extents * 2 <= ctl->extents_thresh)
return false;
} else {
......@@ -2444,6 +2453,7 @@ int btrfs_remove_free_space(struct btrfs_block_group_cache *block_group,
void btrfs_dump_free_space(struct btrfs_block_group_cache *block_group,
u64 bytes)
{
struct btrfs_fs_info *fs_info = block_group->fs_info;
struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl;
struct btrfs_free_space *info;
struct rb_node *n;
......@@ -2453,23 +2463,23 @@ void btrfs_dump_free_space(struct btrfs_block_group_cache *block_group,
info = rb_entry(n, struct btrfs_free_space, offset_index);
if (info->bytes >= bytes && !block_group->ro)
count++;
btrfs_crit(block_group->fs_info,
"entry offset %llu, bytes %llu, bitmap %s",
btrfs_crit(fs_info, "entry offset %llu, bytes %llu, bitmap %s",
info->offset, info->bytes,
(info->bitmap) ? "yes" : "no");
}
btrfs_info(block_group->fs_info, "block group has cluster?: %s",
btrfs_info(fs_info, "block group has cluster?: %s",
list_empty(&block_group->cluster_list) ? "no" : "yes");
btrfs_info(block_group->fs_info,
btrfs_info(fs_info,
"%d blocks of free space at or bigger than bytes is", count);
}
void btrfs_init_free_space_ctl(struct btrfs_block_group_cache *block_group)
{
struct btrfs_fs_info *fs_info = block_group->fs_info;
struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl;
spin_lock_init(&ctl->tree_lock);
ctl->unit = block_group->fs_info->sectorsize;
ctl->unit = fs_info->sectorsize;
ctl->start = block_group->key.objectid;
ctl->private = block_group;
ctl->op = &free_space_op;
......@@ -3014,6 +3024,7 @@ int btrfs_find_space_cluster(struct btrfs_root *root,
u64 offset, u64 bytes, u64 empty_size)
{
struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl;
struct btrfs_fs_info *fs_info = block_group->fs_info;
struct btrfs_free_space *entry, *tmp;
LIST_HEAD(bitmaps);
u64 min_bytes;
......@@ -3026,14 +3037,14 @@ int btrfs_find_space_cluster(struct btrfs_root *root,
* For metadata, allow allocates with smaller extents. For
* data, keep it dense.
*/
if (btrfs_test_opt(root->fs_info, SSD_SPREAD)) {
if (btrfs_test_opt(fs_info, SSD_SPREAD)) {
cont1_bytes = min_bytes = bytes + empty_size;
} else if (block_group->flags & BTRFS_BLOCK_GROUP_METADATA) {
cont1_bytes = bytes;
min_bytes = block_group->fs_info->sectorsize;
min_bytes = fs_info->sectorsize;
} else {
cont1_bytes = max(bytes, (bytes + empty_size) >> 2);
min_bytes = block_group->fs_info->sectorsize;
min_bytes = fs_info->sectorsize;
}
spin_lock(&ctl->tree_lock);
......@@ -3318,6 +3329,7 @@ void btrfs_get_block_group_trimming(struct btrfs_block_group_cache *cache)
void btrfs_put_block_group_trimming(struct btrfs_block_group_cache *block_group)
{
struct btrfs_fs_info *fs_info = block_group->fs_info;
struct extent_map_tree *em_tree;
struct extent_map *em;
bool cleanup;
......@@ -3328,8 +3340,8 @@ void btrfs_put_block_group_trimming(struct btrfs_block_group_cache *block_group)
spin_unlock(&block_group->lock);
if (cleanup) {
lock_chunks(block_group->fs_info);
em_tree = &block_group->fs_info->mapping_tree.map_tree;
lock_chunks(fs_info);
em_tree = &fs_info->mapping_tree.map_tree;
write_lock(&em_tree->lock);
em = lookup_extent_mapping(em_tree, block_group->key.objectid,
1);
......@@ -3340,7 +3352,7 @@ void btrfs_put_block_group_trimming(struct btrfs_block_group_cache *block_group)
*/
remove_extent_mapping(em_tree, em);
write_unlock(&em_tree->lock);
unlock_chunks(block_group->fs_info);
unlock_chunks(fs_info);
/* once for us and once for the tree */
free_extent_map(em);
......@@ -3470,7 +3482,7 @@ int load_free_ino_cache(struct btrfs_fs_info *fs_info, struct btrfs_root *root)
int ret = 0;
u64 root_gen = btrfs_root_generation(&root->root_item);
if (!btrfs_test_opt(root->fs_info, INODE_MAP_CACHE))
if (!btrfs_test_opt(fs_info, INODE_MAP_CACHE))
return 0;
/*
......@@ -3509,12 +3521,13 @@ int btrfs_write_out_ino_cache(struct btrfs_root *root,
struct btrfs_path *path,
struct inode *inode)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_free_space_ctl *ctl = root->free_ino_ctl;
int ret;
struct btrfs_io_ctl io_ctl;
bool release_metadata = true;
if (!btrfs_test_opt(root->fs_info, INODE_MAP_CACHE))
if (!btrfs_test_opt(fs_info, INODE_MAP_CACHE))
return 0;
memset(&io_ctl, 0, sizeof(io_ctl));
......@@ -3535,7 +3548,7 @@ int btrfs_write_out_ino_cache(struct btrfs_root *root,
if (release_metadata)
btrfs_delalloc_release_metadata(inode, inode->i_size);
#ifdef DEBUG
btrfs_err(root->fs_info,
btrfs_err(fs_info,
"failed to write free ino cache for root %llu",
root->root_key.objectid);
#endif
......
fs/btrfs/free-space-tree.c
浏览文件 @ 0b246afa
此差异已折叠。
fs/btrfs/inode-item.c
浏览文件 @ 0b246afa
......@@ -328,6 +328,7 @@ int btrfs_insert_inode_ref(struct btrfs_trans_handle *trans,
const char *name, int name_len,
u64 inode_objectid, u64 ref_objectid, u64 index)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_path *path;
struct btrfs_key key;
struct btrfs_inode_ref *ref;
......@@ -384,7 +385,7 @@ int btrfs_insert_inode_ref(struct btrfs_trans_handle *trans,
btrfs_free_path(path);
if (ret == -EMLINK) {
struct btrfs_super_block *disk_super = root->fs_info->super_copy;
struct btrfs_super_block *disk_super = fs_info->super_copy;
/* We ran out of space in the ref array. Need to
* add an extended ref. */
if (btrfs_super_incompat_flags(disk_super)
......
fs/btrfs/inode-map.c
浏览文件 @ 0b246afa
此差异已折叠。
fs/btrfs/inode.c
浏览文件 @ 0b246afa
此差异已折叠。
fs/btrfs/ioctl.c
浏览文件 @ 0b246afa
此差异已折叠。
fs/btrfs/ordered-data.c
浏览文件 @ 0b246afa
此差异已折叠。
fs/btrfs/print-tree.c
浏览文件 @ 0b246afa
......@@ -163,6 +163,7 @@ static void print_uuid_item(struct extent_buffer *l, unsigned long offset,
void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l)
{
struct btrfs_fs_info *fs_info = root->fs_info;
int i;
u32 type, nr;
struct btrfs_item *item;
......@@ -182,7 +183,7 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l)
nr = btrfs_header_nritems(l);
btrfs_info(root->fs_info, "leaf %llu total ptrs %d free space %d",
btrfs_info(fs_info, "leaf %llu total ptrs %d free space %d",
btrfs_header_bytenr(l), nr, btrfs_leaf_free_space(root, l));
for (i = 0 ; i < nr ; i++) {
item = btrfs_item_nr(i);
......@@ -316,6 +317,7 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l)
void btrfs_print_tree(struct btrfs_root *root, struct extent_buffer *c)
{
struct btrfs_fs_info *fs_info = root->fs_info;
int i; u32 nr;
struct btrfs_key key;
int level;
......@@ -328,10 +330,10 @@ void btrfs_print_tree(struct btrfs_root *root, struct extent_buffer *c)
btrfs_print_leaf(root, c);
return;
}
btrfs_info(root->fs_info,
btrfs_info(fs_info,
"node %llu level %d total ptrs %d free spc %u",
btrfs_header_bytenr(c), level, nr,
(u32)BTRFS_NODEPTRS_PER_BLOCK(root->fs_info) - nr);
(u32)BTRFS_NODEPTRS_PER_BLOCK(fs_info) - nr);
for (i = 0; i < nr; i++) {
btrfs_node_key_to_cpu(c, &key, i);
pr_info("\tkey %d (%llu %u %llu) block %llu\n",
......
fs/btrfs/qgroup.c
浏览文件 @ 0b246afa
此差异已折叠。
fs/btrfs/raid56.c
浏览文件 @ 0b246afa
此差异已折叠。
fs/btrfs/reada.c
浏览文件 @ 0b246afa
此差异已折叠。
fs/btrfs/relocation.c
浏览文件 @ 0b246afa
此差异已折叠。
fs/btrfs/root-tree.c
浏览文件 @ 0b246afa
此差异已折叠。
fs/btrfs/scrub.c
浏览文件 @ 0b246afa
此差异已折叠。
fs/btrfs/send.c
浏览文件 @ 0b246afa
此差异已折叠。
fs/btrfs/super.c
浏览文件 @ 0b246afa
此差异已折叠。
fs/btrfs/transaction.c
浏览文件 @ 0b246afa
此差异已折叠。
fs/btrfs/tree-log.c
浏览文件 @ 0b246afa
此差异已折叠。
fs/btrfs/uuid-tree.c
浏览文件 @ 0b246afa
此差异已折叠。
fs/btrfs/volumes.c
浏览文件 @ 0b246afa
此差异已折叠。
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