quota: Move quota files into separate directory

Quota subsystem has more and more files. It's time to create a dir for it.

Signed-off-by: Jan Kara <jack@suse.cz>

1 files changed, 0 insertions, 236 deletions

diff --git a/fs/quota_v2.c b/fs/quota_v2.c
deleted file mode 100644
index b618b563635..00000000000
--- a/fs/quota_v2.c
+++ /dev/null
@@ -1,236 +0,0 @@
-/*
- *	vfsv0 quota IO operations on file
- */
-
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/mount.h>
-#include <linux/dqblk_v2.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/quotaops.h>
-
-#include <asm/byteorder.h>
-
-#include "quota_tree.h"
-#include "quotaio_v2.h"
-
-MODULE_AUTHOR("Jan Kara");
-MODULE_DESCRIPTION("Quota format v2 support");
-MODULE_LICENSE("GPL");
-
-#define __QUOTA_V2_PARANOIA
-
-static void v2_mem2diskdqb(void *dp, struct dquot *dquot);
-static void v2_disk2memdqb(struct dquot *dquot, void *dp);
-static int v2_is_id(void *dp, struct dquot *dquot);
-
-static struct qtree_fmt_operations v2_qtree_ops = {
-	.mem2disk_dqblk = v2_mem2diskdqb,
-	.disk2mem_dqblk = v2_disk2memdqb,
-	.is_id = v2_is_id,
-};
-
-#define QUOTABLOCK_BITS 10
-#define QUOTABLOCK_SIZE (1 << QUOTABLOCK_BITS)
-
-static inline qsize_t v2_stoqb(qsize_t space)
-{
-	return (space + QUOTABLOCK_SIZE - 1) >> QUOTABLOCK_BITS;
-}
-
-static inline qsize_t v2_qbtos(qsize_t blocks)
-{
-	return blocks << QUOTABLOCK_BITS;
-}
-
-/* Check whether given file is really vfsv0 quotafile */
-static int v2_check_quota_file(struct super_block *sb, int type)
-{
-	struct v2_disk_dqheader dqhead;
-	ssize_t size;
-	static const uint quota_magics[] = V2_INITQMAGICS;
-	static const uint quota_versions[] = V2_INITQVERSIONS;
- 
-	size = sb->s_op->quota_read(sb, type, (char *)&dqhead, sizeof(struct v2_disk_dqheader), 0);
-	if (size != sizeof(struct v2_disk_dqheader)) {
-		printk("quota_v2: failed read expected=%zd got=%zd\n",
-			sizeof(struct v2_disk_dqheader), size);
-		return 0;
-	}
-	if (le32_to_cpu(dqhead.dqh_magic) != quota_magics[type] ||
-	    le32_to_cpu(dqhead.dqh_version) != quota_versions[type])
-		return 0;
-	return 1;
-}
-
-/* Read information header from quota file */
-static int v2_read_file_info(struct super_block *sb, int type)
-{
-	struct v2_disk_dqinfo dinfo;
-	struct mem_dqinfo *info = sb_dqinfo(sb, type);
-	struct qtree_mem_dqinfo *qinfo;
-	ssize_t size;
-
-	size = sb->s_op->quota_read(sb, type, (char *)&dinfo,
-	       sizeof(struct v2_disk_dqinfo), V2_DQINFOOFF);
-	if (size != sizeof(struct v2_disk_dqinfo)) {
-		printk(KERN_WARNING "Can't read info structure on device %s.\n",
-			sb->s_id);
-		return -1;
-	}
-	info->dqi_priv = kmalloc(sizeof(struct qtree_mem_dqinfo), GFP_NOFS);
-	if (!info->dqi_priv) {
-		printk(KERN_WARNING
-		       "Not enough memory for quota information structure.\n");
-		return -1;
-	}
-	qinfo = info->dqi_priv;
-	/* limits are stored as unsigned 32-bit data */
-	info->dqi_maxblimit = 0xffffffff;
-	info->dqi_maxilimit = 0xffffffff;
-	info->dqi_bgrace = le32_to_cpu(dinfo.dqi_bgrace);
-	info->dqi_igrace = le32_to_cpu(dinfo.dqi_igrace);
-	info->dqi_flags = le32_to_cpu(dinfo.dqi_flags);
-	qinfo->dqi_sb = sb;
-	qinfo->dqi_type = type;
-	qinfo->dqi_blocks = le32_to_cpu(dinfo.dqi_blocks);
-	qinfo->dqi_free_blk = le32_to_cpu(dinfo.dqi_free_blk);
-	qinfo->dqi_free_entry = le32_to_cpu(dinfo.dqi_free_entry);
-	qinfo->dqi_blocksize_bits = V2_DQBLKSIZE_BITS;
-	qinfo->dqi_usable_bs = 1 << V2_DQBLKSIZE_BITS;
-	qinfo->dqi_qtree_depth = qtree_depth(qinfo);
-	qinfo->dqi_entry_size = sizeof(struct v2_disk_dqblk);
-	qinfo->dqi_ops = &v2_qtree_ops;
-	return 0;
-}
-
-/* Write information header to quota file */
-static int v2_write_file_info(struct super_block *sb, int type)
-{
-	struct v2_disk_dqinfo dinfo;
-	struct mem_dqinfo *info = sb_dqinfo(sb, type);
-	struct qtree_mem_dqinfo *qinfo = info->dqi_priv;
-	ssize_t size;
-
-	spin_lock(&dq_data_lock);
-	info->dqi_flags &= ~DQF_INFO_DIRTY;
-	dinfo.dqi_bgrace = cpu_to_le32(info->dqi_bgrace);
-	dinfo.dqi_igrace = cpu_to_le32(info->dqi_igrace);
-	dinfo.dqi_flags = cpu_to_le32(info->dqi_flags & DQF_MASK);
-	spin_unlock(&dq_data_lock);
-	dinfo.dqi_blocks = cpu_to_le32(qinfo->dqi_blocks);
-	dinfo.dqi_free_blk = cpu_to_le32(qinfo->dqi_free_blk);
-	dinfo.dqi_free_entry = cpu_to_le32(qinfo->dqi_free_entry);
-	size = sb->s_op->quota_write(sb, type, (char *)&dinfo,
-	       sizeof(struct v2_disk_dqinfo), V2_DQINFOOFF);
-	if (size != sizeof(struct v2_disk_dqinfo)) {
-		printk(KERN_WARNING "Can't write info structure on device %s.\n",
-			sb->s_id);
-		return -1;
-	}
-	return 0;
-}
-
-static void v2_disk2memdqb(struct dquot *dquot, void *dp)
-{
-	struct v2_disk_dqblk *d = dp, empty;
-	struct mem_dqblk *m = &dquot->dq_dqb;
-
-	m->dqb_ihardlimit = le32_to_cpu(d->dqb_ihardlimit);
-	m->dqb_isoftlimit = le32_to_cpu(d->dqb_isoftlimit);
-	m->dqb_curinodes = le32_to_cpu(d->dqb_curinodes);
-	m->dqb_itime = le64_to_cpu(d->dqb_itime);
-	m->dqb_bhardlimit = v2_qbtos(le32_to_cpu(d->dqb_bhardlimit));
-	m->dqb_bsoftlimit = v2_qbtos(le32_to_cpu(d->dqb_bsoftlimit));
-	m->dqb_curspace = le64_to_cpu(d->dqb_curspace);
-	m->dqb_btime = le64_to_cpu(d->dqb_btime);
-	/* We need to escape back all-zero structure */
-	memset(&empty, 0, sizeof(struct v2_disk_dqblk));
-	empty.dqb_itime = cpu_to_le64(1);
-	if (!memcmp(&empty, dp, sizeof(struct v2_disk_dqblk)))
-		m->dqb_itime = 0;
-}
-
-static void v2_mem2diskdqb(void *dp, struct dquot *dquot)
-{
-	struct v2_disk_dqblk *d = dp;
-	struct mem_dqblk *m = &dquot->dq_dqb;
-	struct qtree_mem_dqinfo *info =
-			sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv;
-
-	d->dqb_ihardlimit = cpu_to_le32(m->dqb_ihardlimit);
-	d->dqb_isoftlimit = cpu_to_le32(m->dqb_isoftlimit);
-	d->dqb_curinodes = cpu_to_le32(m->dqb_curinodes);
-	d->dqb_itime = cpu_to_le64(m->dqb_itime);
-	d->dqb_bhardlimit = cpu_to_le32(v2_stoqb(m->dqb_bhardlimit));
-	d->dqb_bsoftlimit = cpu_to_le32(v2_stoqb(m->dqb_bsoftlimit));
-	d->dqb_curspace = cpu_to_le64(m->dqb_curspace);
-	d->dqb_btime = cpu_to_le64(m->dqb_btime);
-	d->dqb_id = cpu_to_le32(dquot->dq_id);
-	if (qtree_entry_unused(info, dp))
-		d->dqb_itime = cpu_to_le64(1);
-}
-
-static int v2_is_id(void *dp, struct dquot *dquot)
-{
-	struct v2_disk_dqblk *d = dp;
-	struct qtree_mem_dqinfo *info =
-			sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv;
-
-	if (qtree_entry_unused(info, dp))
-		return 0;
-	return le32_to_cpu(d->dqb_id) == dquot->dq_id;
-}
-
-static int v2_read_dquot(struct dquot *dquot)
-{
-	return qtree_read_dquot(sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv, dquot);
-}
-
-static int v2_write_dquot(struct dquot *dquot)
-{
-	return qtree_write_dquot(sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv, dquot);
-}
-
-static int v2_release_dquot(struct dquot *dquot)
-{
-	return qtree_release_dquot(sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv, dquot);
-}
-
-static int v2_free_file_info(struct super_block *sb, int type)
-{
-	kfree(sb_dqinfo(sb, type)->dqi_priv);
-	return 0;
-}
-
-static struct quota_format_ops v2_format_ops = {
-	.check_quota_file	= v2_check_quota_file,
-	.read_file_info		= v2_read_file_info,
-	.write_file_info	= v2_write_file_info,
-	.free_file_info		= v2_free_file_info,
-	.read_dqblk		= v2_read_dquot,
-	.commit_dqblk		= v2_write_dquot,
-	.release_dqblk		= v2_release_dquot,
-};
-
-static struct quota_format_type v2_quota_format = {
-	.qf_fmt_id	= QFMT_VFS_V0,
-	.qf_ops		= &v2_format_ops,
-	.qf_owner	= THIS_MODULE
-};
-
-static int __init init_v2_quota_format(void)
-{
-	return register_quota_format(&v2_quota_format);
-}
-
-static void __exit exit_v2_quota_format(void)
-{
-	unregister_quota_format(&v2_quota_format);
-}
-
-module_init(init_v2_quota_format);
-module_exit(exit_v2_quota_format);