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authorYan, Zheng <zheng.yan@oracle.com>2010-05-16 10:46:25 -0400
committerChris Mason <chris.mason@oracle.com>2010-05-25 10:34:49 -0400
commit2ead6ae770d9f9dec9f4286bf0fd9001b4388c4b (patch)
tree9f2d01f2c2acf2ca7e7447c3a92b34bd8d8da94c /fs
parent5da9d01b66458b180a6bee0e637a1d0a3effc622 (diff)
downloadlinux-2ead6ae770d9f9dec9f4286bf0fd9001b4388c4b.tar.bz2
Btrfs: Kill init_btrfs_i()
All code in init_btrfs_i can be moved into btrfs_alloc_inode() Signed-off-by: Yan Zheng <zheng.yan@oracle.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/inode.c64
1 files changed, 28 insertions, 36 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index d53cad1afe26..f44425081c02 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -3596,40 +3596,10 @@ again:
return 0;
}
-static noinline void init_btrfs_i(struct inode *inode)
-{
- struct btrfs_inode *bi = BTRFS_I(inode);
-
- bi->generation = 0;
- bi->sequence = 0;
- bi->last_trans = 0;
- bi->last_sub_trans = 0;
- bi->logged_trans = 0;
- bi->delalloc_bytes = 0;
- bi->reserved_bytes = 0;
- bi->disk_i_size = 0;
- bi->flags = 0;
- bi->index_cnt = (u64)-1;
- bi->last_unlink_trans = 0;
- bi->ordered_data_close = 0;
- bi->force_compress = 0;
- extent_map_tree_init(&BTRFS_I(inode)->extent_tree, GFP_NOFS);
- extent_io_tree_init(&BTRFS_I(inode)->io_tree,
- inode->i_mapping, GFP_NOFS);
- extent_io_tree_init(&BTRFS_I(inode)->io_failure_tree,
- inode->i_mapping, GFP_NOFS);
- INIT_LIST_HEAD(&BTRFS_I(inode)->delalloc_inodes);
- INIT_LIST_HEAD(&BTRFS_I(inode)->ordered_operations);
- RB_CLEAR_NODE(&BTRFS_I(inode)->rb_node);
- btrfs_ordered_inode_tree_init(&BTRFS_I(inode)->ordered_tree);
- mutex_init(&BTRFS_I(inode)->log_mutex);
-}
-
static int btrfs_init_locked_inode(struct inode *inode, void *p)
{
struct btrfs_iget_args *args = p;
inode->i_ino = args->ino;
- init_btrfs_i(inode);
BTRFS_I(inode)->root = args->root;
btrfs_set_inode_space_info(args->root, inode);
return 0;
@@ -3692,8 +3662,6 @@ static struct inode *new_simple_dir(struct super_block *s,
if (!inode)
return ERR_PTR(-ENOMEM);
- init_btrfs_i(inode);
-
BTRFS_I(inode)->root = root;
memcpy(&BTRFS_I(inode)->location, key, sizeof(*key));
BTRFS_I(inode)->dummy_inode = 1;
@@ -4092,7 +4060,6 @@ static struct inode *btrfs_new_inode(struct btrfs_trans_handle *trans,
* btrfs_get_inode_index_count has an explanation for the magic
* number
*/
- init_btrfs_i(inode);
BTRFS_I(inode)->index_cnt = 2;
BTRFS_I(inode)->root = root;
BTRFS_I(inode)->generation = trans->transid;
@@ -5263,21 +5230,46 @@ unsigned long btrfs_force_ra(struct address_space *mapping,
struct inode *btrfs_alloc_inode(struct super_block *sb)
{
struct btrfs_inode *ei;
+ struct inode *inode;
ei = kmem_cache_alloc(btrfs_inode_cachep, GFP_NOFS);
if (!ei)
return NULL;
+
+ ei->root = NULL;
+ ei->space_info = NULL;
+ ei->generation = 0;
+ ei->sequence = 0;
ei->last_trans = 0;
ei->last_sub_trans = 0;
ei->logged_trans = 0;
+ ei->delalloc_bytes = 0;
+ ei->reserved_bytes = 0;
+ ei->disk_i_size = 0;
+ ei->flags = 0;
+ ei->index_cnt = (u64)-1;
+ ei->last_unlink_trans = 0;
+
+ spin_lock_init(&ei->accounting_lock);
ei->outstanding_extents = 0;
ei->reserved_extents = 0;
- ei->root = NULL;
- spin_lock_init(&ei->accounting_lock);
+
+ ei->ordered_data_close = 0;
+ ei->dummy_inode = 0;
+ ei->force_compress = 0;
+
+ inode = &ei->vfs_inode;
+ extent_map_tree_init(&ei->extent_tree, GFP_NOFS);
+ extent_io_tree_init(&ei->io_tree, &inode->i_data, GFP_NOFS);
+ extent_io_tree_init(&ei->io_failure_tree, &inode->i_data, GFP_NOFS);
+ mutex_init(&ei->log_mutex);
btrfs_ordered_inode_tree_init(&ei->ordered_tree);
INIT_LIST_HEAD(&ei->i_orphan);
+ INIT_LIST_HEAD(&ei->delalloc_inodes);
INIT_LIST_HEAD(&ei->ordered_operations);
- return &ei->vfs_inode;
+ RB_CLEAR_NODE(&ei->rb_node);
+
+ return inode;
}
void btrfs_destroy_inode(struct inode *inode)