diff options
Diffstat (limited to 'include/linux/ext4_fs.h')
| -rw-r--r-- | include/linux/ext4_fs.h | 33 |
1 files changed, 20 insertions, 13 deletions
diff --git a/include/linux/ext4_fs.h b/include/linux/ext4_fs.h index 54c576d414c3..de1f9f78625a 100644 --- a/include/linux/ext4_fs.h +++ b/include/linux/ext4_fs.h @@ -32,9 +32,9 @@ /* * Define EXT4_RESERVATION to reserve data blocks for expanding files */ -#define EXT4_DEFAULT_RESERVE_BLOCKS 8 +#define EXT4_DEFAULT_RESERVE_BLOCKS 8 /*max window size: 1024(direct blocks) + 3([t,d]indirect blocks) */ -#define EXT4_MAX_RESERVE_BLOCKS 1027 +#define EXT4_MAX_RESERVE_BLOCKS 1027 #define EXT4_RESERVE_WINDOW_NOT_ALLOCATED 0 /* * Always enable hashed directories @@ -204,12 +204,12 @@ struct ext4_group_desc /* Used to pass group descriptor data when online resize is done */ struct ext4_new_group_input { - __u32 group; /* Group number for this data */ - __u64 block_bitmap; /* Absolute block number of block bitmap */ - __u64 inode_bitmap; /* Absolute block number of inode bitmap */ - __u64 inode_table; /* Absolute block number of inode table start */ - __u32 blocks_count; /* Total number of blocks in this group */ - __u16 reserved_blocks; /* Number of reserved blocks in this group */ + __u32 group; /* Group number for this data */ + __u64 block_bitmap; /* Absolute block number of block bitmap */ + __u64 inode_bitmap; /* Absolute block number of inode bitmap */ + __u64 inode_table; /* Absolute block number of inode table start */ + __u32 blocks_count; /* Total number of blocks in this group */ + __u16 reserved_blocks; /* Number of reserved blocks in this group */ __u16 unused; }; @@ -310,7 +310,7 @@ struct ext4_inode { __u8 l_i_frag; /* Fragment number */ __u8 l_i_fsize; /* Fragment size */ __le16 l_i_file_acl_high; - __le16 l_i_uid_high; /* these 2 fields */ + __le16 l_i_uid_high; /* these 2 fields */ __le16 l_i_gid_high; /* were reserved2[0] */ __u32 l_i_reserved2; } linux2; @@ -513,7 +513,14 @@ struct ext4_super_block { /*150*/ __le32 s_blocks_count_hi; /* Blocks count */ __le32 s_r_blocks_count_hi; /* Reserved blocks count */ __le32 s_free_blocks_count_hi; /* Free blocks count */ - __u32 s_reserved[169]; /* Padding to the end of the block */ + __u16 s_min_extra_isize; /* All inodes have at least # bytes */ + __u16 s_want_extra_isize; /* New inodes should reserve # bytes */ + __u32 s_flags; /* Miscellaneous flags */ + __u16 s_raid_stride; /* RAID stride */ + __u16 s_mmp_interval; /* # seconds to wait in MMP checking */ + __u64 s_mmp_block; /* Block for multi-mount protection */ + __u32 s_raid_stripe_width; /* blocks on all data disks (N*stride)*/ + __u32 s_reserved[163]; /* Padding to the end of the block */ }; #ifdef __KERNEL__ @@ -780,9 +787,9 @@ void ext4_get_group_no_and_offset(struct super_block *sb, ext4_fsblk_t blocknr, * Ok, these declarations are also in <linux/kernel.h> but none of the * ext4 source programs needs to include it so they are duplicated here. */ -# define NORET_TYPE /**/ -# define ATTRIB_NORET __attribute__((noreturn)) -# define NORET_AND noreturn, +# define NORET_TYPE /**/ +# define ATTRIB_NORET __attribute__((noreturn)) +# define NORET_AND noreturn, /* balloc.c */ extern unsigned int ext4_block_group(struct super_block *sb, |