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btrfs: drop unused parameter from extent_map_tree_init 

the GFP flags are not stored anywhere and all allocations are done via
alloc_extent_map(GFP_NOFS).

Signed-off-by: David Sterba <dsterba@suse.cz>
This commit is contained in:
David Sterba 2011-04-21 00:34:43 +02:00
parent f993c883ad
commit a8067e022a
5 changed files with 5 additions and 7 deletions
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3
fs/btrfs/disk-io.c
View File

@ -1713,8 +1713,7 @@ struct btrfs_root *open_ctree(struct super_block *sb,
RB_CLEAR_NODE(&BTRFS_I(fs_info->btree_inode)->rb_node);
extent_io_tree_init(&BTRFS_I(fs_info->btree_inode)->io_tree,
fs_info->btree_inode->i_mapping);
extent_map_tree_init(&BTRFS_I(fs_info->btree_inode)->extent_tree,
GFP_NOFS);
extent_map_tree_init(&BTRFS_I(fs_info->btree_inode)->extent_tree);
BTRFS_I(fs_info->btree_inode)->io_tree.ops = &btree_extent_io_ops;

3
fs/btrfs/extent_map.c
View File

@ -28,12 +28,11 @@ void extent_map_exit(void)
/**
* extent_map_tree_init - initialize extent map tree
* @tree: tree to initialize
* @mask: flags for memory allocations during tree operations
*
* Initialize the extent tree @tree. Should be called for each new inode
* or other user of the extent_map interface.
*/
void extent_map_tree_init(struct extent_map_tree *tree, gfp_t mask)
void extent_map_tree_init(struct extent_map_tree *tree)
{
tree->map = RB_ROOT;
rwlock_init(&tree->lock);

2
fs/btrfs/extent_map.h
View File

@ -49,7 +49,7 @@ static inline u64 extent_map_block_end(struct extent_map *em)
return em->block_start + em->block_len;
}
void extent_map_tree_init(struct extent_map_tree *tree, gfp_t mask);
void extent_map_tree_init(struct extent_map_tree *tree);
struct extent_map *lookup_extent_mapping(struct extent_map_tree *tree,
u64 start, u64 len);
int add_extent_mapping(struct extent_map_tree *tree,

2
fs/btrfs/inode.c
View File

@ -6785,7 +6785,7 @@ struct inode *btrfs_alloc_inode(struct super_block *sb)
ei->force_compress = BTRFS_COMPRESS_NONE;
inode = &ei->vfs_inode;
extent_map_tree_init(&ei->extent_tree, GFP_NOFS);
extent_map_tree_init(&ei->extent_tree);
extent_io_tree_init(&ei->io_tree, &inode->i_data);
extent_io_tree_init(&ei->io_failure_tree, &inode->i_data);
mutex_init(&ei->log_mutex);

2
fs/btrfs/volumes.c
View File

@ -2849,7 +2849,7 @@ int btrfs_chunk_readonly(struct btrfs_root *root, u64 chunk_offset)
void btrfs_mapping_init(struct btrfs_mapping_tree *tree)
{
extent_map_tree_init(&tree->map_tree, GFP_NOFS);
extent_map_tree_init(&tree->map_tree);
}
void btrfs_mapping_tree_free(struct btrfs_mapping_tree *tree)