diff options
Diffstat (limited to 'fs/btrfs')
-rw-r--r-- | fs/btrfs/ctree.c | 10 | ||||
-rw-r--r-- | fs/btrfs/disk-io.c | 4 | ||||
-rw-r--r-- | fs/btrfs/extent-tree.c | 4 | ||||
-rw-r--r-- | fs/btrfs/locking.c | 6 | ||||
-rw-r--r-- | fs/btrfs/locking.h | 2 |
5 files changed, 13 insertions, 13 deletions
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index 42491d728e99..37f31b5529aa 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c | |||
@@ -277,7 +277,7 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans, | |||
277 | if (*cow_ret == buf) | 277 | if (*cow_ret == buf) |
278 | unlock_orig = 1; | 278 | unlock_orig = 1; |
279 | 279 | ||
280 | WARN_ON(!btrfs_tree_locked(buf)); | 280 | btrfs_assert_tree_locked(buf); |
281 | 281 | ||
282 | if (parent) | 282 | if (parent) |
283 | parent_start = parent->start; | 283 | parent_start = parent->start; |
@@ -2365,7 +2365,7 @@ static int push_leaf_right(struct btrfs_trans_handle *trans, struct btrfs_root | |||
2365 | if (slot >= btrfs_header_nritems(upper) - 1) | 2365 | if (slot >= btrfs_header_nritems(upper) - 1) |
2366 | return 1; | 2366 | return 1; |
2367 | 2367 | ||
2368 | WARN_ON(!btrfs_tree_locked(path->nodes[1])); | 2368 | btrfs_assert_tree_locked(path->nodes[1]); |
2369 | 2369 | ||
2370 | right = read_node_slot(root, upper, slot + 1); | 2370 | right = read_node_slot(root, upper, slot + 1); |
2371 | btrfs_tree_lock(right); | 2371 | btrfs_tree_lock(right); |
@@ -2562,7 +2562,7 @@ static int push_leaf_left(struct btrfs_trans_handle *trans, struct btrfs_root | |||
2562 | if (right_nritems == 0) | 2562 | if (right_nritems == 0) |
2563 | return 1; | 2563 | return 1; |
2564 | 2564 | ||
2565 | WARN_ON(!btrfs_tree_locked(path->nodes[1])); | 2565 | btrfs_assert_tree_locked(path->nodes[1]); |
2566 | 2566 | ||
2567 | left = read_node_slot(root, path->nodes[1], slot - 1); | 2567 | left = read_node_slot(root, path->nodes[1], slot - 1); |
2568 | btrfs_tree_lock(left); | 2568 | btrfs_tree_lock(left); |
@@ -4101,7 +4101,7 @@ int btrfs_next_leaf(struct btrfs_root *root, struct btrfs_path *path) | |||
4101 | 4101 | ||
4102 | next = read_node_slot(root, c, slot); | 4102 | next = read_node_slot(root, c, slot); |
4103 | if (!path->skip_locking) { | 4103 | if (!path->skip_locking) { |
4104 | WARN_ON(!btrfs_tree_locked(c)); | 4104 | btrfs_assert_tree_locked(c); |
4105 | btrfs_tree_lock(next); | 4105 | btrfs_tree_lock(next); |
4106 | btrfs_set_lock_blocking(next); | 4106 | btrfs_set_lock_blocking(next); |
4107 | } | 4107 | } |
@@ -4126,7 +4126,7 @@ int btrfs_next_leaf(struct btrfs_root *root, struct btrfs_path *path) | |||
4126 | reada_for_search(root, path, level, slot, 0); | 4126 | reada_for_search(root, path, level, slot, 0); |
4127 | next = read_node_slot(root, next, 0); | 4127 | next = read_node_slot(root, next, 0); |
4128 | if (!path->skip_locking) { | 4128 | if (!path->skip_locking) { |
4129 | WARN_ON(!btrfs_tree_locked(path->nodes[level])); | 4129 | btrfs_assert_tree_locked(path->nodes[level]); |
4130 | btrfs_tree_lock(next); | 4130 | btrfs_tree_lock(next); |
4131 | btrfs_set_lock_blocking(next); | 4131 | btrfs_set_lock_blocking(next); |
4132 | } | 4132 | } |
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index adda739a0215..3e18175248e0 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c | |||
@@ -857,7 +857,7 @@ int clean_tree_block(struct btrfs_trans_handle *trans, struct btrfs_root *root, | |||
857 | struct inode *btree_inode = root->fs_info->btree_inode; | 857 | struct inode *btree_inode = root->fs_info->btree_inode; |
858 | if (btrfs_header_generation(buf) == | 858 | if (btrfs_header_generation(buf) == |
859 | root->fs_info->running_transaction->transid) { | 859 | root->fs_info->running_transaction->transid) { |
860 | WARN_ON(!btrfs_tree_locked(buf)); | 860 | btrfs_assert_tree_locked(buf); |
861 | 861 | ||
862 | /* ugh, clear_extent_buffer_dirty can be expensive */ | 862 | /* ugh, clear_extent_buffer_dirty can be expensive */ |
863 | btrfs_set_lock_blocking(buf); | 863 | btrfs_set_lock_blocking(buf); |
@@ -2361,7 +2361,7 @@ void btrfs_mark_buffer_dirty(struct extent_buffer *buf) | |||
2361 | 2361 | ||
2362 | btrfs_set_lock_blocking(buf); | 2362 | btrfs_set_lock_blocking(buf); |
2363 | 2363 | ||
2364 | WARN_ON(!btrfs_tree_locked(buf)); | 2364 | btrfs_assert_tree_locked(buf); |
2365 | if (transid != root->fs_info->generation) { | 2365 | if (transid != root->fs_info->generation) { |
2366 | printk(KERN_CRIT "btrfs transid mismatch buffer %llu, " | 2366 | printk(KERN_CRIT "btrfs transid mismatch buffer %llu, " |
2367 | "found %llu running %llu\n", | 2367 | "found %llu running %llu\n", |
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 6b5966aacf44..9abf81f71c46 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c | |||
@@ -4418,13 +4418,13 @@ int btrfs_drop_subtree(struct btrfs_trans_handle *trans, | |||
4418 | path = btrfs_alloc_path(); | 4418 | path = btrfs_alloc_path(); |
4419 | BUG_ON(!path); | 4419 | BUG_ON(!path); |
4420 | 4420 | ||
4421 | BUG_ON(!btrfs_tree_locked(parent)); | 4421 | btrfs_assert_tree_locked(parent); |
4422 | parent_level = btrfs_header_level(parent); | 4422 | parent_level = btrfs_header_level(parent); |
4423 | extent_buffer_get(parent); | 4423 | extent_buffer_get(parent); |
4424 | path->nodes[parent_level] = parent; | 4424 | path->nodes[parent_level] = parent; |
4425 | path->slots[parent_level] = btrfs_header_nritems(parent); | 4425 | path->slots[parent_level] = btrfs_header_nritems(parent); |
4426 | 4426 | ||
4427 | BUG_ON(!btrfs_tree_locked(node)); | 4427 | btrfs_assert_tree_locked(node); |
4428 | level = btrfs_header_level(node); | 4428 | level = btrfs_header_level(node); |
4429 | extent_buffer_get(node); | 4429 | extent_buffer_get(node); |
4430 | path->nodes[level] = node; | 4430 | path->nodes[level] = node; |
diff --git a/fs/btrfs/locking.c b/fs/btrfs/locking.c index 85506c4a3af7..47b0a88c12a2 100644 --- a/fs/btrfs/locking.c +++ b/fs/btrfs/locking.c | |||
@@ -220,8 +220,8 @@ int btrfs_tree_unlock(struct extent_buffer *eb) | |||
220 | return 0; | 220 | return 0; |
221 | } | 221 | } |
222 | 222 | ||
223 | int btrfs_tree_locked(struct extent_buffer *eb) | 223 | void btrfs_assert_tree_locked(struct extent_buffer *eb) |
224 | { | 224 | { |
225 | return test_bit(EXTENT_BUFFER_BLOCKING, &eb->bflags) || | 225 | if (!test_bit(EXTENT_BUFFER_BLOCKING, &eb->bflags)) |
226 | spin_is_locked(&eb->lock); | 226 | assert_spin_locked(&eb->lock); |
227 | } | 227 | } |
diff --git a/fs/btrfs/locking.h b/fs/btrfs/locking.h index 6bb0afbff928..6c4ce457168c 100644 --- a/fs/btrfs/locking.h +++ b/fs/btrfs/locking.h | |||
@@ -21,11 +21,11 @@ | |||
21 | 21 | ||
22 | int btrfs_tree_lock(struct extent_buffer *eb); | 22 | int btrfs_tree_lock(struct extent_buffer *eb); |
23 | int btrfs_tree_unlock(struct extent_buffer *eb); | 23 | int btrfs_tree_unlock(struct extent_buffer *eb); |
24 | int btrfs_tree_locked(struct extent_buffer *eb); | ||
25 | 24 | ||
26 | int btrfs_try_tree_lock(struct extent_buffer *eb); | 25 | int btrfs_try_tree_lock(struct extent_buffer *eb); |
27 | int btrfs_try_spin_lock(struct extent_buffer *eb); | 26 | int btrfs_try_spin_lock(struct extent_buffer *eb); |
28 | 27 | ||
29 | void btrfs_set_lock_blocking(struct extent_buffer *eb); | 28 | void btrfs_set_lock_blocking(struct extent_buffer *eb); |
30 | void btrfs_clear_lock_blocking(struct extent_buffer *eb); | 29 | void btrfs_clear_lock_blocking(struct extent_buffer *eb); |
30 | void btrfs_assert_tree_locked(struct extent_buffer *eb); | ||
31 | #endif | 31 | #endif |