/* all filling in of inodes postponed until lookup */
static void coda_read_inode(struct inode *inode)
{
struct coda_sb_info *sbi = coda_sbp(inode->i_sb);
struct coda_inode_info *cii;
if (!sbi) BUG();
#if 0
/* check if the inode is already initialized */
if (inode->u.generic_ip) {
printk("coda_read_inode: initialized inode");
return;
}
inode->u.generic_ip = cii_alloc();
if (!inode->u.generic_ip) {
CDEBUG(D_CNODE, "coda_read_inode: failed to allocate inode info\n");
make_bad_inode(inode);
return;
}
memset(inode->u.generic_ip, 0, sizeof(struct coda_inode_info));
#endif
cii = ITOC(inode);
if (!coda_isnullfid(&cii->c_fid)) {
printk("coda_read_inode: initialized inode");
return;
}
list_add(&cii->c_cilist, &sbi->sbi_cihead);
}
struct inode * coda_iget(struct super_block * sb, ViceFid * fid,
struct coda_vattr * attr)
{
struct inode *inode;
struct coda_inode_info *cii;
ino_t ino = coda_f2i(fid);
inode = iget4(sb, ino, coda_inocmp, fid);
if ( !inode ) {
CDEBUG(D_CNODE, "coda_iget: no inode\n");
return ERR_PTR(-ENOMEM);
}
/* check if the inode is already initialized */
cii = ITOC(inode);
if (coda_isnullfid(&cii->c_fid))
/* new, empty inode found... initializing */
cii->c_fid = *fid;
/* we shouldnt see inode collisions anymore */
if (!coda_fideq(fid, &cii->c_fid)) BUG();
/* always replace the attributes, type might have changed */
coda_fill_inode(inode, attr);
return inode;
}
/* all filling in of inodes postponed until lookup */
static void coda_read_inode(struct inode *inode)
{
struct coda_sb_info *sbi = coda_sbp(inode->i_sb);
struct coda_inode_info *cii;
if (!sbi) BUG();
cii = ITOC(inode);
if (!coda_isnullfid(&cii->c_fid)) {
printk("coda_read_inode: initialized inode");
return;
}
cii->c_mapcount = 0;
list_add(&cii->c_cilist, &sbi->sbi_cihead);
}
/* convert a fid to an inode. */
struct inode *coda_fid_to_inode(ViceFid *fid, struct super_block *sb)
{
ino_t nr;
struct inode *inode;
struct coda_inode_info *cii;
if ( !sb ) {
printk("coda_fid_to_inode: no sb!\n");
return NULL;
}
CDEBUG(D_INODE, "%s\n", coda_f2s(fid));
nr = coda_f2i(fid);
inode = iget4(sb, nr, coda_inocmp, fid);
if ( !inode ) {
printk("coda_fid_to_inode: null from iget, sb %p, nr %ld.\n",
sb, (long)nr);
return NULL;
}
cii = ITOC(inode);
/* The inode could already be purged due to memory pressure */
if (coda_isnullfid(&cii->c_fid)) {
inode->i_nlink = 0;
iput(inode);
return NULL;
}
/* we shouldn't see inode collisions anymore */
if ( !coda_fideq(fid, &cii->c_fid) ) BUG();
CDEBUG(D_INODE, "found %ld\n", inode->i_ino);
return inode;
}
