-/* Same as mds_fid2dentry */
-/* Look up an entry by inode number. */
-/* this function ONLY returns valid dget'd dentries with an initialized inode
- or errors */
-static struct dentry *mgs_fid2dentry(struct mgs_obd *mgs,
- __u64 ino, __u32 gen)
-{
- char fid_name[32];
- struct inode *inode;
- struct dentry *result;
- ENTRY;
-
- CDEBUG(D_DENTRY, "--> mgs_fid2dentry: ino/gen %lu/%u, sb %p\n",
- (unsigned long)ino, gen, mgs->mgs_sb);
-
- if (ino == 0)
- RETURN(ERR_PTR(-ESTALE));
-
- snprintf(fid_name, sizeof(fid_name), "0x%lx", (unsigned long)ino);
-
- /* under ext3 this is neither supposed to return bad inodes nor NULL
- inodes. */
- result = ll_lookup_one_len(fid_name, mgs->mgs_fid_de, strlen(fid_name));
- if (IS_ERR(result))
- RETURN(result);
-
- inode = result->d_inode;
- if (!inode)
- RETURN(ERR_PTR(-ENOENT));
-
- if (inode->i_generation == 0 || inode->i_nlink == 0) {
- LCONSOLE_WARN("Found inode with zero generation or link -- this"
- " may indicate disk corruption (inode: %lu, link:"
- " %lu, count: %d)\n", inode->i_ino,
- (unsigned long)inode->i_nlink,
- atomic_read(&inode->i_count));
- l_dput(result);
- RETURN(ERR_PTR(-ENOENT));
- }
-
- if (gen && inode->i_generation != gen) {
- /* we didn't find the right inode.. */
- CDEBUG(D_INODE, "found wrong generation: inode %lu, link: %lu, "
- "count: %d, generation %u/%u\n", inode->i_ino,
- (unsigned long)inode->i_nlink, atomic_read(&inode->i_count),
- inode->i_generation, gen);
- l_dput(result);
- RETURN(ERR_PTR(-ENOENT));
- }
-
- RETURN(result);
-}
-
-static struct dentry *mgs_lvfs_fid2dentry(__u64 id, __u32 gen,
- __u64 gr, void *data)
-{
- struct obd_device *obd = data;
- return mgs_fid2dentry(&obd->u.mgs, id, gen);
-}
-
-struct lvfs_callback_ops mgs_lvfs_ops = {
- l_fid2dentry: mgs_lvfs_fid2dentry,
-};
-
-int mgs_fs_setup(struct obd_device *obd, struct vfsmount *mnt)