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authorJosef Bacik <josef@toxicpanda.com>2020-08-20 11:46:10 -0400
committerDavid Sterba <dsterba@suse.com>2020-12-08 15:54:01 +0100
commitac5887c8e013d6754d36e6d51dc03448ee0b0065 (patch)
treefa8e936af2eaf48321a72e6498c02280235b964c /fs/btrfs/locking.h
parent2ae0c2d80d25dae7658b64b93c271004bc8708e8 (diff)
btrfs: locking: remove all the blocking helpers
Now that we're using a rw_semaphore we no longer need to indicate if a lock is blocking or not, nor do we need to flip the entire path from blocking to spinning. Remove these helpers and all the places they are called. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/locking.h')
-rw-r--r--fs/btrfs/locking.h11
1 files changed, 1 insertions, 10 deletions
diff --git a/fs/btrfs/locking.h b/fs/btrfs/locking.h
index 7c27f142f7d2..f8f2fd835582 100644
--- a/fs/btrfs/locking.h
+++ b/fs/btrfs/locking.h
@@ -13,8 +13,6 @@
#define BTRFS_WRITE_LOCK 1
#define BTRFS_READ_LOCK 2
-#define BTRFS_WRITE_LOCK_BLOCKING 3
-#define BTRFS_READ_LOCK_BLOCKING 4
/*
* We are limited in number of subclasses by MAX_LOCKDEP_SUBCLASSES, which at
@@ -93,12 +91,8 @@ void __btrfs_tree_read_lock(struct extent_buffer *eb, enum btrfs_lock_nesting ne
bool recurse);
void btrfs_tree_read_lock(struct extent_buffer *eb);
void btrfs_tree_read_unlock(struct extent_buffer *eb);
-void btrfs_tree_read_unlock_blocking(struct extent_buffer *eb);
-void btrfs_set_lock_blocking_read(struct extent_buffer *eb);
-void btrfs_set_lock_blocking_write(struct extent_buffer *eb);
int btrfs_try_tree_read_lock(struct extent_buffer *eb);
int btrfs_try_tree_write_lock(struct extent_buffer *eb);
-int btrfs_tree_read_lock_atomic(struct extent_buffer *eb);
struct extent_buffer *btrfs_lock_root_node(struct btrfs_root *root);
struct extent_buffer *__btrfs_read_lock_root_node(struct btrfs_root *root,
bool recurse);
@@ -116,15 +110,12 @@ static inline void btrfs_assert_tree_locked(struct extent_buffer *eb) {
static inline void btrfs_assert_tree_locked(struct extent_buffer *eb) { }
#endif
-void btrfs_set_path_blocking(struct btrfs_path *p);
void btrfs_unlock_up_safe(struct btrfs_path *path, int level);
static inline void btrfs_tree_unlock_rw(struct extent_buffer *eb, int rw)
{
- if (rw == BTRFS_WRITE_LOCK || rw == BTRFS_WRITE_LOCK_BLOCKING)
+ if (rw == BTRFS_WRITE_LOCK)
btrfs_tree_unlock(eb);
- else if (rw == BTRFS_READ_LOCK_BLOCKING)
- btrfs_tree_read_unlock_blocking(eb);
else if (rw == BTRFS_READ_LOCK)
btrfs_tree_read_unlock(eb);
else