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Btrfs: rework csums and extent item ordering

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2007-04-17 15:39:32 -04:00
committed by David Woodhouse
parent b18c668581
commit 70b2befd0c
6 changed files with 37 additions and 168 deletions
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17
fs/btrfs/ctree.h
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@@ -44,14 +44,14 @@ extern struct kmem_cache *btrfs_path_cachep;
*/
struct btrfs_disk_key {
__le64 objectid;
__le64 offset;
__le32 flags;
__le64 offset;
} __attribute__ ((__packed__));
struct btrfs_key {
u64 objectid;
u64 offset;
u32 flags;
u64 offset;
} __attribute__ ((__packed__));
/*
@@ -227,7 +227,6 @@ struct btrfs_file_extent_item {
} __attribute__ ((__packed__));
struct btrfs_csum_item {
__le64 extent_offset;
u8 csum[BTRFS_CSUM_SIZE];
} __attribute__ ((__packed__));
@@ -925,17 +924,6 @@ static inline void btrfs_set_file_extent_num_blocks(struct
e->num_blocks = cpu_to_le64(val);
}
static inline u64 btrfs_csum_extent_offset(struct btrfs_csum_item *c)
{
return le64_to_cpu(c->extent_offset);
}
static inline void btrfs_set_csum_extent_offset(struct btrfs_csum_item *c,
u64 val)
{
c->extent_offset = cpu_to_le64(val);
}
static inline u16 btrfs_device_pathlen(struct btrfs_device_item *d)
{
return le16_to_cpu(d->pathlen);
@@ -1091,7 +1079,6 @@ int btrfs_lookup_file_extent(struct btrfs_trans_handle *trans,
int btrfs_csum_file_block(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
u64 objectid, u64 offset,
u64 extent_offset,
char *data, size_t len);
int btrfs_csum_verify_file_block(struct btrfs_root *root,
u64 objectid, u64 offset,