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btrfs-progs
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xattr support for btrfs-progs

This commit is contained in:
Josef Bacik 2007-11-16 11:46:07 -05:00 committed by David Woodhouse
parent 268ca701ab
commit e3815ddde6
3 changed files with 24 additions and 19 deletions
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28
ctree.h
View File

@ -53,7 +53,8 @@ struct btrfs_trans_handle;
#define BTRFS_FT_FIFO 5
#define BTRFS_FT_SOCK 6
#define BTRFS_FT_SYMLINK 7
#define BTRFS_FT_MAX 8
#define BTRFS_FT_XATTR 8
#define BTRFS_FT_MAX 9
/*
* the key defines the order in the tree, and so it also defines (optimal)
@ -216,7 +217,7 @@ struct btrfs_inline_data_item {
struct btrfs_dir_item {
struct btrfs_disk_key location;
__le16 flags;
__le16 data_len;
__le16 name_len;
u8 type;
} __attribute__ ((__packed__));
@ -339,8 +340,9 @@ struct btrfs_root {
* the FS
*/
#define BTRFS_INODE_ITEM_KEY 1
#define BTRFS_XATTR_ITEM_KEY 2
/* reserve 2-15 close to the inode for later flexibility */
/* reserve 3-15 close to the inode for later flexibility */
/*
* dir items are the name -> inode pointers in a directory. There is one
@ -587,16 +589,6 @@ static inline void btrfs_set_item_size(struct btrfs_item *item, u32 val)
item->size = cpu_to_le32(val);
}
static inline u16 btrfs_dir_flags(struct btrfs_dir_item *d)
{
return le16_to_cpu(d->flags);
}
static inline void btrfs_set_dir_flags(struct btrfs_dir_item *d, u16 val)
{
d->flags = cpu_to_le16(val);
}
static inline u8 btrfs_dir_type(struct btrfs_dir_item *d)
{
return d->type;
@ -617,6 +609,16 @@ static inline void btrfs_set_dir_name_len(struct btrfs_dir_item *d, u16 val)
d->name_len = cpu_to_le16(val);
}
static inline u16 btrfs_dir_data_len(struct btrfs_dir_item *d)
{
return le16_to_cpu(d->data_len);
}
static inline void btrfs_set_dir_data_len(struct btrfs_dir_item *d, u16 val)
{
d->data_len = cpu_to_le16(val);
}
static inline void btrfs_disk_key_to_cpu(struct btrfs_key *cpu,
struct btrfs_disk_key *disk)
{

4
dir-item.c
View File

@ -82,8 +82,8 @@ int btrfs_insert_dir_item(struct btrfs_trans_handle *trans, struct btrfs_root
}
btrfs_cpu_key_to_disk(&dir_item->location, location);
btrfs_set_dir_type(dir_item, type);
btrfs_set_dir_flags(dir_item, 0);
btrfs_set_dir_name_len(dir_item, name_len);
btrfs_set_dir_data_len(dir_item, 0);
name_ptr = (char *)(dir_item + 1);
memcpy(name_ptr, name, name_len);
@ -101,8 +101,8 @@ int btrfs_insert_dir_item(struct btrfs_trans_handle *trans, struct btrfs_root
}
btrfs_cpu_key_to_disk(&dir_item->location, location);
btrfs_set_dir_type(dir_item, type);
btrfs_set_dir_flags(dir_item, 0);
btrfs_set_dir_name_len(dir_item, name_len);
btrfs_set_dir_data_len(dir_item, 0);
name_ptr = (char *)(dir_item + 1);
memcpy(name_ptr, name, name_len);
out:

11
print-tree.c
View File

@ -31,13 +31,15 @@ static int print_dir_item(struct btrfs_item *item,
u32 len;
total = btrfs_item_size(item);
while(cur < total) {
printf("\t\tdir index %llu flags %u type %u\n",
printf("\t\tdir index %llu type %u\n",
(unsigned long long)btrfs_disk_key_objectid(&di->location),
btrfs_dir_flags(di),
btrfs_dir_type(di));
printf("\t\tname %.*s\n",
printf("\t\tname: %.*s\n",
btrfs_dir_name_len(di),(char *)(di + 1));
len = sizeof(*di) + btrfs_dir_name_len(di);
if (btrfs_dir_data_len(di))
printf("\t\tdata: %.*s\n", btrfs_dir_data_len(di),
(char *)((char *)(di + 1) + btrfs_dir_name_len(di)));
len = sizeof(*di) + btrfs_dir_name_len(di) + btrfs_dir_data_len(di);
di = (struct btrfs_dir_item *)((char *)di + len);
cur += len;
}
@ -87,6 +89,7 @@ void btrfs_print_leaf(struct btrfs_root *root, struct btrfs_leaf *l)
di = btrfs_item_ptr(l, i, struct btrfs_dir_item);
print_dir_item(l->items + i, di);
break;
case BTRFS_XATTR_ITEM_KEY:
case BTRFS_DIR_INDEX_KEY:
di = btrfs_item_ptr(l, i, struct btrfs_dir_item);
print_dir_item(l->items + i, di);