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Define/reserve new ext4 superblock fields

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Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Theodore Ts'o 2007-05-31 12:43:28 -04:00
parent 315054f023
commit 436bd75e47
1 changed files with 8 additions and 1 deletions
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9
include/linux/ext4_fs.h
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@ -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__