diff options
author | Ralf Baechle <ralf@linux-mips.org> | 1994-11-28 11:59:19 +0000 |
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committer | <ralf@linux-mips.org> | 1994-11-28 11:59:19 +0000 |
commit | 1513ff9b7899ab588401c89db0e99903dbf5f886 (patch) | |
tree | f69cc81a940a502ea23d664c3ffb2d215a479667 /include/linux/ext2_fs_sb.h |
Import of Linus's Linux 1.1.68
Diffstat (limited to 'include/linux/ext2_fs_sb.h')
-rw-r--r-- | include/linux/ext2_fs_sb.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/include/linux/ext2_fs_sb.h b/include/linux/ext2_fs_sb.h new file mode 100644 index 000000000..2a05a98be --- /dev/null +++ b/include/linux/ext2_fs_sb.h @@ -0,0 +1,57 @@ +/* + * linux/include/linux/ext2_fs_sb.h + * + * Copyright (C) 1992, 1993, 1994 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 + +/* + * 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]; + int s_rename_lock; + struct wait_queue * s_rename_wait; + unsigned long s_mount_opt; + unsigned short s_resuid; + unsigned short s_resgid; + unsigned short s_mount_state; +}; + +#endif /* _LINUX_EXT2_FS_SB */ |