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Viewing changes to lib/ext2fs/ext2_fs.h

  • Committer: Bazaar Package Importer
  • Author(s): Theodore Y. Ts'o
  • Date: 2006-05-29 11:07:53 UTC
  • mfrom: (1.1.3 upstream)
  • Revision ID: james.westby@ubuntu.com-20060529110753-uvkuaxqr96y31kqy
Tags: 1.39-1
http://bugs.debian.org/368392
http://bugs.debian.org/368393
http://bugs.debian.org/368394
http://bugs.debian.org/368179
http://bugs.debian.org/362544
http://bugs.debian.org/362970
* New upstream version
* Fix debugfs's dump_unused command so it will not core dump on
  filesystems with a 64k blocksize
* Clarified and improved man pages, including spelling errors
  (Closes: #368392, #368393, #368394, #368179)
* New filesystems are now created with directory indexing and
  on-line resizing enabled by default
* Fix previously mangled wording in an older Debian changelog entry
* Fix doc-base pointer to the top-level html file (Closes: #362544, #362970)

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Lines of Context:
lib/ext2fs/ext2_fs.h
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        __u16   bg_free_blocks_count;   /* Free blocks count */
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        __u16   bg_free_inodes_count;   /* Free inodes count */
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        __u16   bg_used_dirs_count;     /* Directories count */
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        __u16   bg_pad;
 
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        __u16   bg_flags;
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        __u32   bg_reserved[3];
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};
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#define EXT2_BG_INODE_UNINIT    0x0001 /* Inode table/bitmap not initialized */
 
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#define EXT2_BG_BLOCK_UNINIT    0x0002 /* Block bitmap not initialized */
 
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/*
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 * Data structures used by the directory indexing feature
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 *
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/*
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 * ioctl commands
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 */
 
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/* Used for online resize */
 
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struct ext2_new_group_input {
 
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        __u32 group;            /* Group number for this data */
 
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        __u32 block_bitmap;     /* Absolute block number of block bitmap */
 
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        __u32 inode_bitmap;     /* Absolute block number of inode bitmap */
 
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        __u32 inode_table;      /* Absolute block number of inode table start */
 
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        __u32 blocks_count;     /* Total number of blocks in this group */
 
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        __u16 reserved_blocks;  /* Number of reserved blocks in this group */
 
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        __u16 unused;           /* Number of reserved GDT blocks in group */
 
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};
 
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#define EXT2_IOC_GETFLAGS               _IOR('f', 1, long)
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#define EXT2_IOC_SETFLAGS               _IOW('f', 2, long)
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#define EXT2_IOC_GETVERSION             _IOR('v', 1, long)
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#define EXT2_IOC_SETVERSION             _IOW('v', 2, long)
 
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#define EXT2_IOC_GETVERSION_NEW         _IOR('f', 3, long)
 
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#define EXT2_IOC_SETVERSION_NEW         _IOW('f', 4, long)
 
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#define EXT2_IOC_GROUP_EXTEND           _IOW('f', 7, unsigned long)
 
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#define EXT2_IOC_GROUP_ADD              _IOW('f', 8,struct ext2_new_group_input)
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/*
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 * Structure of an inode on the disk
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#define EXT2_FEATURE_COMPAT_EXT_ATTR            0x0008
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#define EXT2_FEATURE_COMPAT_RESIZE_INODE        0x0010
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#define EXT2_FEATURE_COMPAT_DIR_INDEX           0x0020
 
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#define EXT2_FEATURE_COMPAT_LAZY_BG             0x0040
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#define EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER     0x0001
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#define EXT2_FEATURE_RO_COMPAT_LARGE_FILE       0x0002