mirror of https://gitee.com/openkylin/linux.git
48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
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#include <linux/fs.h>
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#include <linux/qnx4_fs.h>
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#define QNX4_DEBUG 0
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#if QNX4_DEBUG
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#define QNX4DEBUG(X) printk X
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#else
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#define QNX4DEBUG(X) (void) 0
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#endif
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struct qnx4_sb_info {
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struct buffer_head *sb_buf; /* superblock buffer */
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struct qnx4_super_block *sb; /* our superblock */
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unsigned int Version; /* may be useful */
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struct qnx4_inode_entry *BitMap; /* useful */
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};
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struct qnx4_inode_info {
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struct qnx4_inode_entry raw;
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loff_t mmu_private;
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struct inode vfs_inode;
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};
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extern struct inode *qnx4_iget(struct super_block *, unsigned long);
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extern struct dentry *qnx4_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd);
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extern unsigned long qnx4_count_free_blocks(struct super_block *sb);
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extern unsigned long qnx4_block_map(struct inode *inode, long iblock);
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extern const struct inode_operations qnx4_dir_inode_operations;
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extern const struct file_operations qnx4_dir_operations;
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extern int qnx4_is_free(struct super_block *sb, long block);
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static inline struct qnx4_sb_info *qnx4_sb(struct super_block *sb)
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{
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return sb->s_fs_info;
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}
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static inline struct qnx4_inode_info *qnx4_i(struct inode *inode)
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{
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return container_of(inode, struct qnx4_inode_info, vfs_inode);
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}
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static inline struct qnx4_inode_entry *qnx4_raw_inode(struct inode *inode)
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{
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return &qnx4_i(inode)->raw;
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}
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