Lines Matching refs:dquot
256 /* Find space for dquot */
258 struct dquot *dquot, int *err)
290 mark_info_dirty(dquot->dq_sb, dquot->dq_id.type);
296 quota_error(dquot->dq_sb, "Can't remove block (%u) "
311 quota_error(dquot->dq_sb, "Data block full but it shouldn't");
318 quota_error(dquot->dq_sb, "Can't write quota data block %u",
322 dquot->dq_off = ((loff_t)blk << info->dqi_blocksize_bits) +
333 static int do_insert_tree(struct qtree_mem_dqinfo *info, struct dquot *dquot,
353 quota_error(dquot->dq_sb, "Can't read tree quota "
359 newblk = le32_to_cpu(ref[get_index(info, dquot->dq_id, depth)]);
365 quota_error(dquot->dq_sb, "Inserting already present "
368 dquot->dq_id, depth)]));
373 newblk = find_free_dqentry(info, dquot, &ret);
375 ret = do_insert_tree(info, dquot, &newblk, depth+1);
378 ref[get_index(info, dquot->dq_id, depth)] =
391 struct dquot *dquot)
397 quota_error(dquot->dq_sb, "Quota tree root isn't allocated!");
401 return do_insert_tree(info, dquot, &tmp, 0);
408 int qtree_write_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)
410 int type = dquot->dq_id.type;
411 struct super_block *sb = dquot->dq_sb;
419 if (!dquot->dq_off) {
420 ret = dq_insert_tree(info, dquot);
428 spin_lock(&dquot->dq_dqb_lock);
429 info->dqi_ops->mem2disk_dqblk(ddquot, dquot);
430 spin_unlock(&dquot->dq_dqb_lock);
432 dquot->dq_off);
447 /* Free dquot entry in data block */
448 static int free_dqentry(struct qtree_mem_dqinfo *info, struct dquot *dquot,
457 if (dquot->dq_off >> info->dqi_blocksize_bits != blk) {
458 quota_error(dquot->dq_sb, "Quota structure has offset to "
460 (uint)(dquot->dq_off >> info->dqi_blocksize_bits));
466 quota_error(dquot->dq_sb, "Can't read quota data block %u",
480 quota_error(dquot->dq_sb, "Can't move quota data block "
486 (dquot->dq_off & ((1 << info->dqi_blocksize_bits) - 1)),
493 quota_error(dquot->dq_sb, "Can't insert quota "
500 quota_error(dquot->dq_sb, "Can't write quota "
506 dquot->dq_off = 0; /* Quota is now unattached */
512 /* Remove reference to dquot from tree */
513 static int remove_tree(struct qtree_mem_dqinfo *info, struct dquot *dquot,
525 quota_error(dquot->dq_sb, "Can't read quota data block %u",
529 newblk = le32_to_cpu(ref[get_index(info, dquot->dq_id, depth)]);
531 quota_error(dquot->dq_sb, "Getting block too big (%u >= %u)",
538 ret = free_dqentry(info, dquot, newblk);
541 ret = remove_tree(info, dquot, &newblk, depth+1);
545 ref[get_index(info, dquot->dq_id, depth)] = cpu_to_le32(0);
557 quota_error(dquot->dq_sb,
567 /* Delete dquot from tree */
568 int qtree_delete_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)
572 if (!dquot->dq_off) /* Even not allocated? */
574 return remove_tree(info, dquot, &tmp, 0);
580 struct dquot *dquot, uint blk)
591 quota_error(dquot->dq_sb, "Can't read quota tree "
597 if (info->dqi_ops->is_id(ddquot, dquot))
602 quota_error(dquot->dq_sb,
604 from_kqid(&init_user_ns, dquot->dq_id));
618 struct dquot *dquot, uint blk, int depth)
628 quota_error(dquot->dq_sb, "Can't read quota tree block %u",
633 blk = le32_to_cpu(ref[get_index(info, dquot->dq_id, depth)]);
637 quota_error(dquot->dq_sb, "Getting block too big (%u >= %u)",
644 ret = find_tree_dqentry(info, dquot, blk, depth+1);
646 ret = find_block_dqentry(info, dquot, blk);
654 struct dquot *dquot)
656 return find_tree_dqentry(info, dquot, QT_TREEOFF, 0);
659 int qtree_read_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)
661 int type = dquot->dq_id.type;
662 struct super_block *sb = dquot->dq_sb;
669 if (!sb_dqopt(dquot->dq_sb)->files[type]) {
674 /* Do we know offset of the dquot entry in the quota file? */
675 if (!dquot->dq_off) {
676 offset = find_dqentry(info, dquot);
682 dquot->dq_id));
683 dquot->dq_off = 0;
684 set_bit(DQ_FAKE_B, &dquot->dq_flags);
685 memset(&dquot->dq_dqb, 0, sizeof(struct mem_dqblk));
689 dquot->dq_off = offset;
695 dquot->dq_off);
700 from_kqid(&init_user_ns, dquot->dq_id));
701 set_bit(DQ_FAKE_B, &dquot->dq_flags);
702 memset(&dquot->dq_dqb, 0, sizeof(struct mem_dqblk));
706 spin_lock(&dquot->dq_dqb_lock);
707 info->dqi_ops->disk2mem_dqblk(dquot, ddquot);
708 if (!dquot->dq_dqb.dqb_bhardlimit &&
709 !dquot->dq_dqb.dqb_bsoftlimit &&
710 !dquot->dq_dqb.dqb_ihardlimit &&
711 !dquot->dq_dqb.dqb_isoftlimit)
712 set_bit(DQ_FAKE_B, &dquot->dq_flags);
713 spin_unlock(&dquot->dq_dqb_lock);
721 /* Check whether dquot should not be deleted. We know we are
722 * the only one operating on dquot (thanks to dq_lock) */
723 int qtree_release_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)
725 if (test_bit(DQ_FAKE_B, &dquot->dq_flags) &&
726 !(dquot->dq_dqb.dqb_curinodes | dquot->dq_dqb.dqb_curspace))
727 return qtree_delete_dquot(info, dquot);