diff options
Diffstat (limited to 'pfinet/linux-src/include/linux/ext2_fs_sb.h')
| -rw-r--r-- | pfinet/linux-src/include/linux/ext2_fs_sb.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/pfinet/linux-src/include/linux/ext2_fs_sb.h b/pfinet/linux-src/include/linux/ext2_fs_sb.h new file mode 100644 index 00000000..20721632 --- /dev/null +++ b/pfinet/linux-src/include/linux/ext2_fs_sb.h @@ -0,0 +1,66 @@ +/* + * linux/include/linux/ext2_fs_sb.h + * + * Copyright (C) 1992, 1993, 1994, 1995 + * Remy Card (card@masi.ibp.fr) + * Laboratoire MASI - Institut Blaise Pascal + * Universite Pierre et Marie Curie (Paris VI) + * + * from + * + * linux/include/linux/minix_fs_sb.h + * + * Copyright (C) 1991, 1992 Linus Torvalds + */ + +#ifndef _LINUX_EXT2_FS_SB +#define _LINUX_EXT2_FS_SB + +#include <linux/ext2_fs.h> + +/* + * The following is not needed anymore since the descriptors buffer + * heads are now dynamically allocated + */ +/* #define EXT2_MAX_GROUP_DESC 8 */ + +#define EXT2_MAX_GROUP_LOADED 8 + +/* + * second extended-fs super-block data in memory + */ +struct ext2_sb_info { + unsigned long s_frag_size; /* Size of a fragment in bytes */ + unsigned long s_frags_per_block;/* Number of fragments per block */ + unsigned long s_inodes_per_block;/* Number of inodes per block */ + unsigned long s_frags_per_group;/* Number of fragments in a group */ + unsigned long s_blocks_per_group;/* Number of blocks in a group */ + unsigned long s_inodes_per_group;/* Number of inodes in a group */ + unsigned long s_itb_per_group; /* Number of inode table blocks per group */ + unsigned long s_db_per_group; /* Number of descriptor blocks per group */ + unsigned long s_desc_per_block; /* Number of group descriptors per block */ + unsigned long s_groups_count; /* Number of groups in the fs */ + struct buffer_head * s_sbh; /* Buffer containing the super block */ + struct ext2_super_block * s_es; /* Pointer to the super block in the buffer */ + struct buffer_head ** s_group_desc; + unsigned short s_loaded_inode_bitmaps; + unsigned short s_loaded_block_bitmaps; + unsigned long s_inode_bitmap_number[EXT2_MAX_GROUP_LOADED]; + struct buffer_head * s_inode_bitmap[EXT2_MAX_GROUP_LOADED]; + unsigned long s_block_bitmap_number[EXT2_MAX_GROUP_LOADED]; + struct buffer_head * s_block_bitmap[EXT2_MAX_GROUP_LOADED]; + unsigned long s_mount_opt; + unsigned short s_resuid; + unsigned short s_resgid; + unsigned short s_mount_state; + unsigned short s_pad; + int s_addr_per_block_bits; + int s_desc_per_block_bits; + int s_inode_size; + int s_first_ino; + int s_feature_compat; + int s_feature_incompat; + int s_feature_ro_compat; +}; + +#endif /* _LINUX_EXT2_FS_SB */ |