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Btrfs: initial move to kernel module land

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2007-03-21 11:12:56 -04:00
committed by David Woodhouse
parent 1261ec42b3
commit 2e635a2783
24 changed files with 274 additions and 2911 deletions
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17
fs/btrfs/disk-io.c
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@@ -266,20 +266,25 @@ static int find_and_setup_root(struct btrfs_super_block *super,
}
struct btrfs_root *open_ctree(char *filename, struct btrfs_super_block *super)
{
int fp;
fp = open(filename, O_CREAT | O_RDWR, 0600);
if (fp < 0) {
return NULL;
}
return open_ctree_fd(fp, super);
}
struct btrfs_root *open_ctree_fd(int fp, struct btrfs_super_block *super)
{
struct btrfs_root *root = malloc(sizeof(struct btrfs_root));
struct btrfs_root *extent_root = malloc(sizeof(struct btrfs_root));
struct btrfs_root *tree_root = malloc(sizeof(struct btrfs_root));
struct btrfs_root *inode_root = malloc(sizeof(struct btrfs_root));
struct btrfs_fs_info *fs_info = malloc(sizeof(*fs_info));
int fp;
int ret;
fp = open(filename, O_CREAT | O_RDWR, 0600);
if (fp < 0) {
free(root);
return NULL;
}
INIT_RADIX_TREE(&fs_info->cache_radix, GFP_KERNEL);
INIT_RADIX_TREE(&fs_info->pinned_radix, GFP_KERNEL);
INIT_LIST_HEAD(&fs_info->trans);