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Differential D15395 Diff 42494 head/sys/fs/ext2fs/ext2_inode_cnv.c

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head/sys/fs/ext2fs/ext2_inode_cnv.c

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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;
const static struct ext2fs_dinode ei_zero;
fs = ip->i_e2fs;
ip->i_nlink = ei->e2di_nlink; ip->i_nlink = ei->e2di_nlink;
/* /*
* 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;
Show All 27 Linesext2_ei2i(struct ext2fs_dinode *ei, struct inode *ip)
ip->i_gen = ei->e2di_gen; ip->i_gen = ei->e2di_gen;
ip->i_uid = ei->e2di_uid; ip->i_uid = ei->e2di_uid;
ip->i_gid = ei->e2di_gid; ip->i_gid = ei->e2di_gid;
ip->i_uid |= (uint32_t)ei->e2di_uid_high << 16; ip->i_uid |= (uint32_t)ei->e2di_uid_high << 16;
ip->i_gid |= (uint32_t)ei->e2di_gid_high << 16; ip->i_gid |= (uint32_t)ei->e2di_gid_high << 16;
memcpy(ip->i_data, ei->e2di_blocks, sizeof(ei->e2di_blocks)); memcpy(ip->i_data, ei->e2di_blocks, sizeof(ei->e2di_blocks));
if (EXT2_HAS_RO_COMPAT_FEATURE(fs, EXT2F_ROCOMPAT_METADATA_CKSUM) &&
memcmp(ei, &ei_zero, EXT2_INODE_SIZE(fs)))
return (ext2_ei_csum_verify(ip, ei)); return (ext2_ei_csum_verify(ip, ei));
return (0);
} }
/* /*
* inode to raw ext2 inode * inode to raw ext2 inode
*/ */
int int
ext2_i2ei(struct inode *ip, struct ext2fs_dinode *ei) ext2_i2ei(struct inode *ip, struct ext2fs_dinode *ei)
{ {
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