fs/isofs/isofs.h

1 /* SPDX-License-Identifier: GPL-2.0 */
30  * iso9660 super-block data in memory
64 #define ISOFS_INVALID_MODE ((umode_t) -1)
68 	return sb->s_fs_info;  in ISOFS_SB()
145  * underlying meta-data for an inode, we are free to choose a more
146  * convenient 32-bit number as the inode number.  The inode numbering
152 	return (block << (bufbits - 5)) | (offset >> 5);  in isofs_get_ino()
156  * throughout the directory tree.  First there is the directory entry
158  * Then, there is the "." directory entry stored in the directory
162  * In order for the NFS get_parent() method to work and for the
168  * Notice that we do not use the entry for the directory with the name
171  * entry in the NFS get_parent() method because it is implicitly
174  * reached regardless of which directory entry you have in hand.
176  * This works because the "." entry is simply the first directory
179  * Because the "." entry is always the first entry listed in the
182  * You should pass the directory entry in "de".  On return, "block"
184  * affected making it safe to call even for non-directory file
192 	if (de->flags[0] & 2) {  in isofs_normalize_block_and_offset()
194 		*block = (unsigned long)isonum_733(de->extent)  in isofs_normalize_block_and_offset()
195 			+ (unsigned long)isonum_711(de->ext_attr_length);  in isofs_normalize_block_and_offset()