Commit 0ecae6ff authored by Josef Bacik's avatar Josef Bacik Committed by David Sterba
Browse files

btrfs: remove the recurse parameter from __btrfs_tree_read_lock 



It is completely unused now, remove it.

Reviewed-by: default avatarFilipe Manana <fdmanana@suse.com>
Signed-off-by: default avatarJosef Bacik <josef@toxicpanda.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent fe596ca3

fs/btrfs/locking.c

+2 −4
Original line number Diff line number Diff line
@@ -33,13 +33,11 @@ 
 * __btrfs_tree_read_lock - lock extent buffer for read

 * @eb:		the eb to be locked

 * @nest:	the nesting level to be used for lockdep

 * @recurse:	unused

 *

 * This takes the read lock on the extent buffer, using the specified nesting

 * level for lockdep purposes.

 */

void __btrfs_tree_read_lock(struct extent_buffer *eb, enum btrfs_lock_nesting nest,

			    bool recurse)

void __btrfs_tree_read_lock(struct extent_buffer *eb, enum btrfs_lock_nesting nest)

{

	u64 start_ns = 0;
@@ -53,7 +51,7 @@ void __btrfs_tree_read_lock(struct extent_buffer *eb, enum btrfs_lock_nesting ne 


void btrfs_tree_read_lock(struct extent_buffer *eb)

{

	__btrfs_tree_read_lock(eb, BTRFS_NESTING_NORMAL, false);

	__btrfs_tree_read_lock(eb, BTRFS_NESTING_NORMAL);

}



/*

fs/btrfs/locking.h

+1 −2
Original line number Diff line number Diff line
@@ -87,8 +87,7 @@ void __btrfs_tree_lock(struct extent_buffer *eb, enum btrfs_lock_nesting nest); 
void btrfs_tree_lock(struct extent_buffer *eb);

void btrfs_tree_unlock(struct extent_buffer *eb);



void __btrfs_tree_read_lock(struct extent_buffer *eb, enum btrfs_lock_nesting nest,

			    bool recurse);

void __btrfs_tree_read_lock(struct extent_buffer *eb, enum btrfs_lock_nesting nest);

void btrfs_tree_read_lock(struct extent_buffer *eb);

void btrfs_tree_read_unlock(struct extent_buffer *eb);

int btrfs_try_tree_read_lock(struct extent_buffer *eb);