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btrfs: replace btrfs_set_lock_blocking_rw with appropriate helpers

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We can use the right helper where the lock type is a fixed parameter.

Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2018-04-04 02:00:17 +02:00
parent aa12c02778
commit 300aa896e1
6 changed files with 11 additions and 11 deletions
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4
fs/btrfs/backref.c
View File

@ -1289,7 +1289,7 @@ static int find_parent_nodes(struct btrfs_trans_handle *trans,
goto out;
}
btrfs_tree_read_lock(eb);
btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK);
btrfs_set_lock_blocking_read(eb);
ret = find_extent_in_eb(eb, bytenr,
*extent_item_pos, &eie, ignore_offset);
btrfs_tree_read_unlock_blocking(eb);
@ -1650,7 +1650,7 @@ char *btrfs_ref_to_path(struct btrfs_root *fs_root, struct btrfs_path *path,
/* make sure we can use eb after releasing the path */
if (eb != eb_in) {
if (!path->skip_locking)
btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK);
btrfs_set_lock_blocking_read(eb);
path->nodes[0] = NULL;
path->locks[0] = 0;
}

4
fs/btrfs/ctree.c
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@ -1289,7 +1289,7 @@ tree_mod_log_rewind(struct btrfs_fs_info *fs_info, struct btrfs_path *path,
return eb;
btrfs_set_path_blocking(path);
btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK);
btrfs_set_lock_blocking_read(eb);
if (tm->op == MOD_LOG_KEY_REMOVE_WHILE_FREEING) {
BUG_ON(tm->slot != 0);
@ -1379,7 +1379,7 @@ get_old_root(struct btrfs_root *root, u64 time_seq)
free_extent_buffer(eb_root);
eb = alloc_dummy_extent_buffer(fs_info, logical);
} else {
btrfs_set_lock_blocking_rw(eb_root, BTRFS_READ_LOCK);
btrfs_set_lock_blocking_read(eb_root);
eb = btrfs_clone_extent_buffer(eb_root);
btrfs_tree_read_unlock_blocking(eb_root);
free_extent_buffer(eb_root);

2
fs/btrfs/disk-io.c
View File

@ -342,7 +342,7 @@ static int verify_parent_transid(struct extent_io_tree *io_tree,
if (need_lock) {
btrfs_tree_read_lock(eb);
btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK);
btrfs_set_lock_blocking_read(eb);
}
lock_extent_bits(io_tree, eb->start, eb->start + eb->len - 1,

2
fs/btrfs/locking.h
View File

@ -53,7 +53,7 @@ static inline void btrfs_set_lock_blocking_rw(struct extent_buffer *eb, int rw)
static inline void btrfs_set_lock_blocking(struct extent_buffer *eb)
{
btrfs_set_lock_blocking_rw(eb, BTRFS_WRITE_LOCK);
btrfs_set_lock_blocking_write(eb);
}
#endif

6
fs/btrfs/qgroup.c
View File

@ -1832,7 +1832,7 @@ static int qgroup_trace_extent_swap(struct btrfs_trans_handle* trans,
src_path->nodes[cur_level] = eb;
btrfs_tree_read_lock(eb);
btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK);
btrfs_set_lock_blocking_read(eb);
src_path->locks[cur_level] = BTRFS_READ_LOCK_BLOCKING;
}
@ -1973,7 +1973,7 @@ static int qgroup_trace_new_subtree_blocks(struct btrfs_trans_handle* trans,
dst_path->slots[cur_level] = 0;
btrfs_tree_read_lock(eb);
btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK);
btrfs_set_lock_blocking_read(eb);
dst_path->locks[cur_level] = BTRFS_READ_LOCK_BLOCKING;
need_cleanup = true;
}
@ -2148,7 +2148,7 @@ int btrfs_qgroup_trace_subtree(struct btrfs_trans_handle *trans,
path->slots[level] = 0;
btrfs_tree_read_lock(eb);
btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK);
btrfs_set_lock_blocking_read(eb);
path->locks[level] = BTRFS_READ_LOCK_BLOCKING;
ret = btrfs_qgroup_trace_extent(trans, child_bytenr,

4
fs/btrfs/ref-verify.c
View File

@ -583,7 +583,7 @@ static int walk_down_tree(struct btrfs_root *root, struct btrfs_path *path,
return -EIO;
}
btrfs_tree_read_lock(eb);
btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK);
btrfs_set_lock_blocking_read(eb);
path->nodes[level-1] = eb;
path->slots[level-1] = 0;
path->locks[level-1] = BTRFS_READ_LOCK_BLOCKING;
@ -987,7 +987,7 @@ int btrfs_build_ref_tree(struct btrfs_fs_info *fs_info)
return -ENOMEM;
eb = btrfs_read_lock_root_node(fs_info->extent_root);
btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK);
btrfs_set_lock_blocking_read(eb);
level = btrfs_header_level(eb);
path->nodes[level] = eb;
path->slots[level] = 0;