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SubjectRe: [PATCH 4/5] fat: (exportfs) move code to rebuild directory-inode to separate function
Date
Namjae Jeon <linkinjeon@gmail.com> writes:

> /*
> + * Rebuild the parent for a directory that is not connected
> + * to the filesystem root
> + */
> +static
> +struct inode *fat_rebuild_parent(struct super_block *sb, int parent_logstart)
> +{
> + int search_clus, clus_to_match;
> + struct msdos_dir_entry *de;
> + struct inode *parent;
> + struct msdos_sb_info *sbi = MSDOS_SB(sb);
> + sector_t blknr = fat_clus_to_blknr(sbi, parent_logstart);
> + struct buffer_head *parent_bh = sb_bread(sb, blknr);
> +
> + if (!parent_bh) {
> + fat_msg(sb, KERN_ERR,
> + "NFS:unable to read cluster of parent directory");
> + return NULL;
> + }
> + de = (struct msdos_dir_entry *) parent_bh->b_data;
> + clus_to_match = fat_get_start(sbi, &de[0]);
> + search_clus = fat_get_start(sbi, &de[1]);
> + if (!search_clus)
> + search_clus = sbi->root_cluster;
> + brelse(parent_bh);
> + do {
> + parent = fat_traverse_cluster(sb,
> + search_clus, clus_to_match);
> + if (IS_ERR(parent) || parent)
> + break;
> + search_clus = fat_read_next_clus(sb, search_clus);

fat_read_next_clus() only supports FAT32? Looks strange.
--
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>


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