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btrfs: get fs_info from eb in btrfs_leaf_free_space 

We can read fs_info from extent buffer and can drop it from the
parameters.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2019-03-20 14:36:46 +01:00
parent 6a884d7d52
commit e902baac65
7 changed files with 35 additions and 39 deletions
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58
fs/btrfs/ctree.c
View File

@ -2716,7 +2716,6 @@ int btrfs_search_slot(struct btrfs_trans_handle *trans, struct btrfs_root *root,
const struct btrfs_key *key, struct btrfs_path *p,
int ins_len, int cow)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct extent_buffer *b;
int slot;
int ret;
@ -2914,7 +2913,7 @@ cow_done:
} else {
p->slots[level] = slot;
if (ins_len > 0 &&
btrfs_leaf_free_space(fs_info, b) < ins_len) {
btrfs_leaf_free_space(b) < ins_len) {
if (write_lock_level < 1) {
write_lock_level = 1;
btrfs_release_path(p);
@ -3574,9 +3573,9 @@ static int leaf_space_used(struct extent_buffer *l, int start, int nr)
* the start of the leaf data. IOW, how much room
* the leaf has left for both items and data
*/
noinline int btrfs_leaf_free_space(struct btrfs_fs_info *fs_info,
struct extent_buffer *leaf)
noinline int btrfs_leaf_free_space(struct extent_buffer *leaf)
{
struct btrfs_fs_info *fs_info = leaf->fs_info;
int nritems = btrfs_header_nritems(leaf);
int ret;
@ -3635,7 +3634,8 @@ static noinline int __push_leaf_right(struct btrfs_fs_info *fs_info,
if (path->slots[0] > i)
break;
if (path->slots[0] == i) {
int space = btrfs_leaf_free_space(fs_info, left);
int space = btrfs_leaf_free_space(left);
if (space + push_space * 2 > free_space)
break;
}
@ -3778,7 +3778,7 @@ static int push_leaf_right(struct btrfs_trans_handle *trans, struct btrfs_root
btrfs_tree_lock(right);
btrfs_set_lock_blocking_write(right);
free_space = btrfs_leaf_free_space(fs_info, right);
free_space = btrfs_leaf_free_space(right);
if (free_space < data_size)
goto out_unlock;
@ -3788,7 +3788,7 @@ static int push_leaf_right(struct btrfs_trans_handle *trans, struct btrfs_root
if (ret)
goto out_unlock;
free_space = btrfs_leaf_free_space(fs_info, right);
free_space = btrfs_leaf_free_space(right);
if (free_space < data_size)
goto out_unlock;
@ -3858,7 +3858,8 @@ static noinline int __push_leaf_left(struct btrfs_fs_info *fs_info,
if (path->slots[0] < i)
break;
if (path->slots[0] == i) {
int space = btrfs_leaf_free_space(fs_info, right);
int space = btrfs_leaf_free_space(right);
if (space + push_space * 2 > free_space)
break;
}
@ -4012,7 +4013,7 @@ static int push_leaf_left(struct btrfs_trans_handle *trans, struct btrfs_root
btrfs_tree_lock(left);
btrfs_set_lock_blocking_write(left);
free_space = btrfs_leaf_free_space(fs_info, left);
free_space = btrfs_leaf_free_space(left);
if (free_space < data_size) {
ret = 1;
goto out;
@ -4028,7 +4029,7 @@ static int push_leaf_left(struct btrfs_trans_handle *trans, struct btrfs_root
goto out;
}
free_space = btrfs_leaf_free_space(fs_info, left);
free_space = btrfs_leaf_free_space(left);
if (free_space < data_size) {
ret = 1;
goto out;
@ -4124,7 +4125,6 @@ static noinline int push_for_double_split(struct btrfs_trans_handle *trans,
struct btrfs_path *path,
int data_size)
{
struct btrfs_fs_info *fs_info = root->fs_info;
int ret;
int progress = 0;
int slot;
@ -4133,7 +4133,7 @@ static noinline int push_for_double_split(struct btrfs_trans_handle *trans,
slot = path->slots[0];
if (slot < btrfs_header_nritems(path->nodes[0]))
space_needed -= btrfs_leaf_free_space(fs_info, path->nodes[0]);
space_needed -= btrfs_leaf_free_space(path->nodes[0]);
/*
* try to push all the items after our slot into the
@ -4154,14 +4154,14 @@ static noinline int push_for_double_split(struct btrfs_trans_handle *trans,
if (path->slots[0] == 0 || path->slots[0] == nritems)
return 0;
if (btrfs_leaf_free_space(fs_info, path->nodes[0]) >= data_size)
if (btrfs_leaf_free_space(path->nodes[0]) >= data_size)
return 0;
/* try to push all the items before our slot into the next leaf */
slot = path->slots[0];
space_needed = data_size;
if (slot > 0)
space_needed -= btrfs_leaf_free_space(fs_info, path->nodes[0]);
space_needed -= btrfs_leaf_free_space(path->nodes[0]);
ret = push_leaf_left(trans, root, path, 1, space_needed, 0, slot);
if (ret < 0)
return ret;
@ -4210,7 +4210,7 @@ static noinline int split_leaf(struct btrfs_trans_handle *trans,
int space_needed = data_size;
if (slot < btrfs_header_nritems(l))
space_needed -= btrfs_leaf_free_space(fs_info, l);
space_needed -= btrfs_leaf_free_space(l);
wret = push_leaf_right(trans, root, path, space_needed,
space_needed, 0, 0);
@ -4219,8 +4219,7 @@ static noinline int split_leaf(struct btrfs_trans_handle *trans,
if (wret) {
space_needed = data_size;
if (slot > 0)
space_needed -= btrfs_leaf_free_space(fs_info,
l);
space_needed -= btrfs_leaf_free_space(l);
wret = push_leaf_left(trans, root, path, space_needed,
space_needed, 0, (u32)-1);
if (wret < 0)
@ -4229,7 +4228,7 @@ static noinline int split_leaf(struct btrfs_trans_handle *trans,
l = path->nodes[0];
/* did the pushes work? */
if (btrfs_leaf_free_space(fs_info, l) >= data_size)
if (btrfs_leaf_free_space(l) >= data_size)
return 0;
}
@ -4336,7 +4335,7 @@ again:
push_for_double:
push_for_double_split(trans, root, path, data_size);
tried_avoid_double = 1;
if (btrfs_leaf_free_space(fs_info, path->nodes[0]) >= data_size)
if (btrfs_leaf_free_space(path->nodes[0]) >= data_size)
return 0;
goto again;
}
@ -4345,7 +4344,6 @@ static noinline int setup_leaf_for_split(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_path *path, int ins_len)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_key key;
struct extent_buffer *leaf;
struct btrfs_file_extent_item *fi;
@ -4359,7 +4357,7 @@ static noinline int setup_leaf_for_split(struct btrfs_trans_handle *trans,
BUG_ON(key.type != BTRFS_EXTENT_DATA_KEY &&
key.type != BTRFS_EXTENT_CSUM_KEY);
if (btrfs_leaf_free_space(fs_info, leaf) >= ins_len)
if (btrfs_leaf_free_space(leaf) >= ins_len)
return 0;
item_size = btrfs_item_size_nr(leaf, path->slots[0]);
@ -4386,7 +4384,7 @@ static noinline int setup_leaf_for_split(struct btrfs_trans_handle *trans,
goto err;
/* the leaf has changed, it now has room. return now */
if (btrfs_leaf_free_space(fs_info, path->nodes[0]) >= ins_len)
if (btrfs_leaf_free_space(path->nodes[0]) >= ins_len)
goto err;
if (key.type == BTRFS_EXTENT_DATA_KEY) {
@ -4425,7 +4423,7 @@ static noinline int split_item(struct btrfs_fs_info *fs_info,
struct btrfs_disk_key disk_key;
leaf = path->nodes[0];
BUG_ON(btrfs_leaf_free_space(fs_info, leaf) < sizeof(struct btrfs_item));
BUG_ON(btrfs_leaf_free_space(leaf) < sizeof(struct btrfs_item));
btrfs_set_path_blocking(path);
@ -4474,7 +4472,7 @@ static noinline int split_item(struct btrfs_fs_info *fs_info,
item_size - split_offset);
btrfs_mark_buffer_dirty(leaf);
BUG_ON(btrfs_leaf_free_space(fs_info, leaf) < 0);
BUG_ON(btrfs_leaf_free_space(leaf) < 0);
kfree(buf);
return 0;
}
@ -4642,7 +4640,7 @@ void btrfs_truncate_item(struct btrfs_fs_info *fs_info,
btrfs_set_item_size(leaf, item, new_size);
btrfs_mark_buffer_dirty(leaf);
if (btrfs_leaf_free_space(fs_info, leaf) < 0) {
if (btrfs_leaf_free_space(leaf) < 0) {
btrfs_print_leaf(leaf);
BUG();
}
@ -4671,7 +4669,7 @@ void btrfs_extend_item(struct btrfs_fs_info *fs_info, struct btrfs_path *path,
nritems = btrfs_header_nritems(leaf);
data_end = leaf_data_end(leaf);
if (btrfs_leaf_free_space(fs_info, leaf) < data_size) {
if (btrfs_leaf_free_space(leaf) < data_size) {
btrfs_print_leaf(leaf);
BUG();
}
@ -4710,7 +4708,7 @@ void btrfs_extend_item(struct btrfs_fs_info *fs_info, struct btrfs_path *path,
btrfs_set_item_size(leaf, item, old_size + data_size);
btrfs_mark_buffer_dirty(leaf);
if (btrfs_leaf_free_space(fs_info, leaf) < 0) {
if (btrfs_leaf_free_space(leaf) < 0) {
btrfs_print_leaf(leaf);
BUG();
}
@ -4749,10 +4747,10 @@ void setup_items_for_insert(struct btrfs_root *root, struct btrfs_path *path,
nritems = btrfs_header_nritems(leaf);
data_end = leaf_data_end(leaf);
if (btrfs_leaf_free_space(fs_info, leaf) < total_size) {
if (btrfs_leaf_free_space(leaf) < total_size) {
btrfs_print_leaf(leaf);
btrfs_crit(fs_info, "not enough freespace need %u have %d",
total_size, btrfs_leaf_free_space(fs_info, leaf));
total_size, btrfs_leaf_free_space(leaf));
BUG();
}
@ -4803,7 +4801,7 @@ void setup_items_for_insert(struct btrfs_root *root, struct btrfs_path *path,
btrfs_set_header_nritems(leaf, nritems + nr);
btrfs_mark_buffer_dirty(leaf);
if (btrfs_leaf_free_space(fs_info, leaf) < 0) {
if (btrfs_leaf_free_space(leaf) < 0) {
btrfs_print_leaf(leaf);
BUG();
}

3
fs/btrfs/ctree.h
View File

@ -3011,8 +3011,7 @@ static inline int btrfs_next_item(struct btrfs_root *root, struct btrfs_path *p)
{
return btrfs_next_old_item(root, p, 0);
}
int btrfs_leaf_free_space(struct btrfs_fs_info *fs_info,
struct extent_buffer *leaf);
int btrfs_leaf_free_space(struct extent_buffer *leaf);
int __must_check btrfs_drop_snapshot(struct btrfs_root *root,
struct btrfs_block_rsv *block_rsv,
int update_ref, int for_reloc);

3
fs/btrfs/delayed-inode.c
View File

@ -691,7 +691,6 @@ static int btrfs_batch_insert_items(struct btrfs_root *root,
struct btrfs_path *path,
struct btrfs_delayed_item *item)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_delayed_item *curr, *next;
int free_space;
int total_data_size = 0, total_size = 0;
@ -708,7 +707,7 @@ static int btrfs_batch_insert_items(struct btrfs_root *root,
BUG_ON(!path->nodes[0]);
leaf = path->nodes[0];
free_space = btrfs_leaf_free_space(fs_info, leaf);
free_space = btrfs_leaf_free_space(leaf);
INIT_LIST_HEAD(&head);
next = item;

4
fs/btrfs/file-item.c
View File

@ -828,11 +828,11 @@ again:
u32 diff;
u32 free_space;
if (btrfs_leaf_free_space(fs_info, leaf) <
if (btrfs_leaf_free_space(leaf) <
sizeof(struct btrfs_item) + csum_size * 2)
goto insert;
free_space = btrfs_leaf_free_space(fs_info, leaf) -
free_space = btrfs_leaf_free_space(leaf) -
sizeof(struct btrfs_item) - csum_size;
tmp = sums->len - total_bytes;
tmp >>= fs_info->sb->s_blocksize_bits;

2
fs/btrfs/file.c
View File

@ -1050,7 +1050,7 @@ delete_extent_item:
if (!ret && replace_extent && leafs_visited == 1 &&
(path->locks[0] == BTRFS_WRITE_LOCK_BLOCKING ||
path->locks[0] == BTRFS_WRITE_LOCK) &&
btrfs_leaf_free_space(fs_info, leaf) >=
btrfs_leaf_free_space(leaf) >=
sizeof(struct btrfs_item) + extent_item_size) {
key.objectid = ino;

2
fs/btrfs/print-tree.c
View File

@ -189,7 +189,7 @@ void btrfs_print_leaf(struct extent_buffer *l)
btrfs_info(fs_info,
"leaf %llu gen %llu total ptrs %d free space %d owner %llu",
btrfs_header_bytenr(l), btrfs_header_generation(l), nr,
btrfs_leaf_free_space(fs_info, l), btrfs_header_owner(l));
btrfs_leaf_free_space(l), btrfs_header_owner(l));
print_eb_refs_lock(l);
for (i = 0 ; i < nr ; i++) {
item = btrfs_item_nr(i);

2
fs/btrfs/xattr.c
View File

@ -174,7 +174,7 @@ static int do_setxattr(struct btrfs_trans_handle *trans,
char *ptr;
if (size > old_data_len) {
if (btrfs_leaf_free_space(fs_info, leaf) <
if (btrfs_leaf_free_space(leaf) <
(size - old_data_len)) {
ret = -ENOSPC;
goto out;