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btrfs-progs: mkfs: describe fields of btrfs_mkfs_config 

Signed-off-by: David Sterba <dsterba@suse.com>
master
David Sterba 2017-02-01 14:17:12 +01:00
parent e945e27712
commit a2ed85a11d
1 changed files with 12 additions and 5 deletions
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17
mkfs/common.h
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@ -29,17 +29,24 @@
#define BTRFS_MKFS_SMALL_VOLUME_SIZE SZ_1G
struct btrfs_mkfs_config {
/* Label of the new filesystem */
char *label;
char fs_uuid[BTRFS_UUID_UNPARSED_SIZE];
char chunk_uuid[BTRFS_UUID_UNPARSED_SIZE];
u64 blocks[8];
u64 num_bytes;
/* Blck sizes */
u32 nodesize;
u32 sectorsize;
u32 stripesize;
/* Bitfield of incompat features, BTRFS_FEATURE_INCOMPAT_* */
u64 features;
/* Size of the filesystem in bytes */
u64 num_bytes;
/* Logical addresses of superblock [0] and other tree roots */
u64 blocks[8];
/* Super bytenr after make_btrfs */
/* Output fields, set during creation */
char fs_uuid[BTRFS_UUID_UNPARSED_SIZE];
char chunk_uuid[BTRFS_UUID_UNPARSED_SIZE];
/* Superblock offset after make_btrfs */
u64 super_bytenr;
};