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| author | Theodore Ts'o <tytso@mit.edu> | 2007-05-31 12:43:28 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2007-05-31 16:20:15 -0400 |
| commit | 436bd75e47cf804dfe89f805106bb53ff577e99a (patch) | |
| tree | 0ab9b4b67eb2233ce62878c37f8f1d32f7983229 /include/linux/ext4_fs.h | |
| parent | 315054f023d28ee64f308adf8b5737831541776b (diff) | |
| download | blackbird-op-linux-436bd75e47cf804dfe89f805106bb53ff577e99a.tar.gz blackbird-op-linux-436bd75e47cf804dfe89f805106bb53ff577e99a.zip | |
Define/reserve new ext4 superblock fields
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'include/linux/ext4_fs.h')
| -rw-r--r-- | include/linux/ext4_fs.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/include/linux/ext4_fs.h b/include/linux/ext4_fs.h index 14886847a04c..de1f9f78625a 100644 --- a/include/linux/ext4_fs.h +++ b/include/linux/ext4_fs.h @@ -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__ |
