hfsplus: remove the rsrc_inodes list
We never walk the list - the only reason for it is to make the resource fork inodes appear hashed to the writeback code. Borrow a trick from JFS to do that without needing a list head. Signed-off-by: Christoph Hellwig <hch@tuxera.com>
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@ -145,8 +145,6 @@ struct hfsplus_sb_info {
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int part, session;
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unsigned long flags;
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struct hlist_head rsrc_inodes;
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};
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#define HFSPLUS_SB_WRITEBACKUP 0x0001
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@ -204,7 +204,15 @@ static struct dentry *hfsplus_file_lookup(struct inode *dir, struct dentry *dent
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hip->rsrc_inode = dir;
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HFSPLUS_I(dir)->rsrc_inode = inode;
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igrab(dir);
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hlist_add_head(&inode->i_hash, &HFSPLUS_SB(sb)->rsrc_inodes);
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/*
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* __mark_inode_dirty expects inodes to be hashed. Since we don't
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* want resource fork inodes in the regular inode space, we make them
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* appear hashed, but do not put on any lists. hlist_del()
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* will work fine and require no locking.
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*/
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inode->i_hash.pprev = &inode->i_hash.next;
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mark_inode_dirty(inode);
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out:
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d_add(dentry, inode);
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@ -318,7 +318,6 @@ static int hfsplus_fill_super(struct super_block *sb, void *data, int silent)
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return -ENOMEM;
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sb->s_fs_info = sbi;
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INIT_HLIST_HEAD(&sbi->rsrc_inodes);
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mutex_init(&sbi->alloc_mutex);
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hfsplus_fill_defaults(sbi);
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if (!hfsplus_parse_options(data, sbi)) {
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