btrfs: struct btrfsic_state->root should be an fs_info

The root member is never used except for obtaining an fs_info pointer.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Jeff Mahoney 2016-06-22 18:54:36 -04:00 committed by David Sterba
parent 2b2e27eb92
commit de14379225

View File

@ -254,7 +254,7 @@ struct btrfsic_state {
struct list_head all_blocks_list;
struct btrfsic_block_hashtable block_hashtable;
struct btrfsic_block_link_hashtable block_link_hashtable;
struct btrfs_root *root;
struct btrfs_fs_info *fs_info;
u64 max_superblock_generation;
struct btrfsic_block *latest_superblock;
u32 metablock_size;
@ -717,7 +717,7 @@ static int btrfsic_process_superblock(struct btrfsic_state *state,
}
num_copies =
btrfs_num_copies(state->root->fs_info,
btrfs_num_copies(state->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",
@ -888,7 +888,7 @@ static int btrfsic_process_superblock_dev_mirror(
}
num_copies =
btrfs_num_copies(state->root->fs_info,
btrfs_num_copies(state->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",
@ -1263,7 +1263,7 @@ static int btrfsic_create_link_to_next_block(
*next_blockp = NULL;
if (0 == *num_copiesp) {
*num_copiesp =
btrfs_num_copies(state->root->fs_info,
btrfs_num_copies(state->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",
@ -1457,7 +1457,7 @@ static int btrfsic_handle_extent_data(
chunk_len = num_bytes;
num_copies =
btrfs_num_copies(state->root->fs_info,
btrfs_num_copies(state->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",
@ -1539,7 +1539,7 @@ static int btrfsic_map_block(struct btrfsic_state *state, u64 bytenr, u32 len,
struct btrfs_device *device;
length = len;
ret = btrfs_map_block(state->root->fs_info, BTRFS_MAP_READ,
ret = btrfs_map_block(state->fs_info, BTRFS_MAP_READ,
bytenr, &length, &multi, mirror_num);
if (ret) {
@ -1741,7 +1741,7 @@ 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->root->fs_info->fsid, BTRFS_UUID_SIZE))
if (memcmp(h->fsid, state->fs_info->fsid, BTRFS_UUID_SIZE))
return 1;
for (i = 0; i < num_pages; i++) {
@ -2276,7 +2276,7 @@ static int btrfsic_process_written_superblock(
}
num_copies =
btrfs_num_copies(state->root->fs_info,
btrfs_num_copies(state->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",
@ -2705,7 +2705,7 @@ static void btrfsic_cmp_log_and_dev_bytenr(struct btrfsic_state *state,
struct btrfsic_block_data_ctx block_ctx;
int match = 0;
num_copies = btrfs_num_copies(state->root->fs_info,
num_copies = btrfs_num_copies(state->fs_info,
bytenr, state->metablock_size);
for (mirror_num = 1; mirror_num <= num_copies; mirror_num++) {
@ -2936,7 +2936,7 @@ int btrfsic_mount(struct btrfs_root *root,
btrfsic_is_initialized = 1;
}
mutex_lock(&btrfsic_mutex);
state->root = root;
state->fs_info = root->fs_info;
state->print_mask = print_mask;
state->include_extent_data = including_extent_data;
state->csum_size = 0;