lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Btrfs: struct item endian fixes

Browse Source 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2007-03-12 20:12:07 -04:00
committed by David Woodhouse
parent e2fa7227cd
commit 0783fcfc4d
6 changed files with 141 additions and 90 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
fs/btrfs/ctree.h
View File

@@ -98,10 +98,10 @@ struct ctree_super_block {
* the key flags parameter. offset and size tell us where to find
* the item in the leaf (relative to the start of the data area)
*/
struct item {
struct btrfs_item {
struct btrfs_disk_key key;
u16 offset;
u16 size;
__le16 offset;
__le16 size;
} __attribute__ ((__packed__));
/*
@@ -115,7 +115,8 @@ struct item {
struct leaf {
struct btrfs_header header;
union {
struct item items[LEAF_DATA_SIZE/sizeof(struct item)];
struct btrfs_item items[LEAF_DATA_SIZE/
sizeof(struct btrfs_item)];
u8 data[CTREE_BLOCKSIZE-sizeof(struct btrfs_header)];
};
} __attribute__ ((__packed__));
@@ -152,6 +153,31 @@ struct ctree_path {
int slots[MAX_LEVEL];
};
static inline u16 btrfs_item_offset(struct btrfs_item *item)
{
return le16_to_cpu(item->offset);
}
static inline void btrfs_set_item_offset(struct btrfs_item *item, u16 val)
{
item->offset = cpu_to_le16(val);
}
static inline u16 btrfs_item_end(struct btrfs_item *item)
{
return le16_to_cpu(item->offset) + le16_to_cpu(item->size);
}
static inline u16 btrfs_item_size(struct btrfs_item *item)
{
return le16_to_cpu(item->size);
}
static inline void btrfs_set_item_size(struct btrfs_item *item, u16 val)
{
item->size = cpu_to_le16(val);
}
static inline void btrfs_disk_key_to_cpu(struct btrfs_key *cpu,
struct btrfs_disk_key *disk)
{