mirror of
https://github.com/adulau/aha.git
synced 2024-12-28 11:46:19 +00:00
e20d96d64f
Signed-off-by: Chris Mason <chris.mason@oracle.com>
27 lines
607 B
C
27 lines
607 B
C
#ifndef __TRANSACTION__
|
|
#define __TRANSACTION__
|
|
|
|
struct btrfs_trans_handle {
|
|
u64 transid;
|
|
unsigned long blocks_reserved;
|
|
unsigned long blocks_used;
|
|
};
|
|
|
|
static inline struct btrfs_trans_handle *
|
|
btrfs_start_transaction(struct btrfs_root *root, int num_blocks)
|
|
{
|
|
struct btrfs_trans_handle *h = kmalloc(sizeof(*h), GFP_NOFS);
|
|
h->transid = root->root_key.offset;
|
|
h->blocks_reserved = num_blocks;
|
|
h->blocks_used = 0;
|
|
return h;
|
|
}
|
|
|
|
static inline void btrfs_free_transaction(struct btrfs_root *root,
|
|
struct btrfs_trans_handle *handle)
|
|
{
|
|
memset(handle, 0, sizeof(*handle));
|
|
kfree(handle);
|
|
}
|
|
|
|
#endif
|