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7#ifndef __EXT4_FSMAP_H__
8#define __EXT4_FSMAP_H__
9
10struct fsmap;
11
12
13struct ext4_fsmap {
14 struct list_head fmr_list;
15 dev_t fmr_device;
16 uint32_t fmr_flags;
17 uint64_t fmr_physical;
18 uint64_t fmr_owner;
19 uint64_t fmr_length;
20};
21
22struct ext4_fsmap_head {
23 uint32_t fmh_iflags;
24 uint32_t fmh_oflags;
25 unsigned int fmh_count;
26 unsigned int fmh_entries;
27
28 struct ext4_fsmap fmh_keys[2];
29};
30
31void ext4_fsmap_from_internal(struct super_block *sb, struct fsmap *dest,
32 struct ext4_fsmap *src);
33void ext4_fsmap_to_internal(struct super_block *sb, struct ext4_fsmap *dest,
34 struct fsmap *src);
35
36
37typedef int (*ext4_fsmap_format_t)(struct ext4_fsmap *, void *);
38
39int ext4_getfsmap(struct super_block *sb, struct ext4_fsmap_head *head,
40 ext4_fsmap_format_t formatter, void *arg);
41
42#define EXT4_QUERY_RANGE_ABORT 1
43#define EXT4_QUERY_RANGE_CONTINUE 0
44
45
46#define EXT4_FMR_OWN_FREE FMR_OWN_FREE
47#define EXT4_FMR_OWN_UNKNOWN FMR_OWN_UNKNOWN
48#define EXT4_FMR_OWN_FS FMR_OWNER('X', 1)
49#define EXT4_FMR_OWN_LOG FMR_OWNER('X', 2)
50#define EXT4_FMR_OWN_INODES FMR_OWNER('X', 5)
51#define EXT4_FMR_OWN_GDT FMR_OWNER('f', 1)
52#define EXT4_FMR_OWN_RESV_GDT FMR_OWNER('f', 2)
53#define EXT4_FMR_OWN_BLKBM FMR_OWNER('f', 3)
54#define EXT4_FMR_OWN_INOBM FMR_OWNER('f', 4)
55
56#endif
57