Differential D19323 Diff 54670 head/sys/fs/ext2fs/ext2_inode_cnv.c

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head/sys/fs/ext2fs/ext2_inode_cnv.c

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	*/			*/
	#include <sys/param.h>			#include <sys/param.h>
	#include <sys/systm.h>			#include <sys/systm.h>
	#include <sys/endian.h>			#include <sys/endian.h>
	#include <sys/lock.h>			#include <sys/lock.h>
	#include <sys/stat.h>			#include <sys/stat.h>
	#include <sys/vnode.h>			#include <sys/vnode.h>

	#include <fs/ext2fs/ext2fs.h>
	#include <fs/ext2fs/fs.h>			#include <fs/ext2fs/fs.h>
	#include <fs/ext2fs/inode.h>			#include <fs/ext2fs/inode.h>
	#include <fs/ext2fs/ext2fs.h>			#include <fs/ext2fs/ext2fs.h>
	#include <fs/ext2fs/ext2_dinode.h>			#include <fs/ext2fs/ext2_dinode.h>
	#include <fs/ext2fs/ext2_extern.h>			#include <fs/ext2fs/ext2_extern.h>

	#define XTIME_TO_NSEC(x) ((x & EXT3_NSEC_MASK) >> 2)			#define XTIME_TO_NSEC(x) ((x & EXT3_NSEC_MASK) >> 2)
	#define NSEC_TO_XTIME(t) (le32toh(t << 2) & EXT3_NSEC_MASK)			#define NSEC_TO_XTIME(t) (le32toh(t << 2) & EXT3_NSEC_MASK)
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	#endif /* EXT2FS_DEBUG */			#endif /* EXT2FS_DEBUG */

	/*			/*
	* raw ext2 inode to inode			* raw ext2 inode to inode
	*/			*/
	int			int
	ext2_ei2i(struct ext2fs_dinode ei, struct inode ip)			ext2_ei2i(struct ext2fs_dinode ei, struct inode ip)
	{			{
				struct m_ext2fs *fs = ip->i_e2fs;

				if ((ip->i_number < EXT2_FIRST_INO(fs) && ip->i_number != EXT2_ROOTINO) \|\|
				(ip->i_number < EXT2_ROOTINO) \|\|
				(ip->i_number > fs->e2fs->e2fs_icount)) {
				printf("ext2fs: bad inode number %ju\n", ip->i_number);
				return (EINVAL);
				}

				if (ip->i_number == EXT2_ROOTINO && ei->e2di_nlink == 0) {
				printf("ext2fs: root inode unallocated\n");
				return (EINVAL);
				}
	ip->i_nlink = ei->e2di_nlink;			ip->i_nlink = ei->e2di_nlink;

				/* Check extra inode size */
				if (EXT2_INODE_SIZE(fs) > E2FS_REV0_INODE_SIZE) {
				if (E2FS_REV0_INODE_SIZE + ei->e2di_extra_isize >
				EXT2_INODE_SIZE(fs) \|\| (ei->e2di_extra_isize & 3)) {
				printf("ext2fs: bad extra inode size %u, inode size=%u\n",
				ei->e2di_extra_isize, EXT2_INODE_SIZE(fs));
				return (EINVAL);
				}
				}

	/*			/*
	* Godmar thinks - if the link count is zero, then the inode is			* Godmar thinks - if the link count is zero, then the inode is
	* unused - according to ext2 standards. Ufs marks this fact by			* unused - according to ext2 standards. Ufs marks this fact by
	* setting i_mode to zero - why ? I can see that this might lead to			* setting i_mode to zero - why ? I can see that this might lead to
	* problems in an undelete.			* problems in an undelete.
	*/			*/
	ip->i_mode = ei->e2di_nlink ? ei->e2di_mode : 0;			ip->i_mode = ei->e2di_nlink ? ei->e2di_mode : 0;
	ip->i_size = ei->e2di_size;			ip->i_size = ei->e2di_size;
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