#define __QUOTA_QT_PARANOIA
-typedef char *dqbuf_t;
-
static int get_index(struct qtree_mem_dqinfo *info, qid_t id, int depth)
{
unsigned int epb = info->dqi_usable_bs >> 2;
}
/* Number of entries in one blocks */
-static inline int qtree_dqstr_in_blk(struct qtree_mem_dqinfo *info)
+static int qtree_dqstr_in_blk(struct qtree_mem_dqinfo *info)
{
return (info->dqi_usable_bs - sizeof(struct qt_disk_dqdbheader))
/ info->dqi_entry_size;
}
-static dqbuf_t getdqbuf(size_t size)
+static char *getdqbuf(size_t size)
{
- dqbuf_t buf = kmalloc(size, GFP_NOFS);
+ char *buf = kmalloc(size, GFP_NOFS);
if (!buf)
- printk(KERN_WARNING "VFS: Not enough memory for quota buffers.\n");
+ printk(KERN_WARNING
+ "VFS: Not enough memory for quota buffers.\n");
return buf;
}
-static inline void freedqbuf(dqbuf_t buf)
-{
- kfree(buf);
-}
-
-static inline ssize_t read_blk(struct qtree_mem_dqinfo *info, uint blk, dqbuf_t buf)
+static ssize_t read_blk(struct qtree_mem_dqinfo *info, uint blk, char *buf)
{
struct super_block *sb = info->dqi_sb;
memset(buf, 0, info->dqi_usable_bs);
- return sb->s_op->quota_read(sb, info->dqi_type, (char *)buf,
+ return sb->s_op->quota_read(sb, info->dqi_type, buf,
info->dqi_usable_bs, blk << info->dqi_blocksize_bits);
}
-static inline ssize_t write_blk(struct qtree_mem_dqinfo *info, uint blk, dqbuf_t buf)
+static ssize_t write_blk(struct qtree_mem_dqinfo *info, uint blk, char *buf)
{
struct super_block *sb = info->dqi_sb;
- return sb->s_op->quota_write(sb, info->dqi_type, (char *)buf,
+ return sb->s_op->quota_write(sb, info->dqi_type, buf,
info->dqi_usable_bs, blk << info->dqi_blocksize_bits);
}
/* Remove empty block from list and return it */
static int get_free_dqblk(struct qtree_mem_dqinfo *info)
{
- dqbuf_t buf = getdqbuf(info->dqi_usable_bs);
+ char *buf = getdqbuf(info->dqi_usable_bs);
struct qt_disk_dqdbheader *dh = (struct qt_disk_dqdbheader *)buf;
int ret, blk;
mark_info_dirty(info->dqi_sb, info->dqi_type);
ret = blk;
out_buf:
- freedqbuf(buf);
+ kfree(buf);
return ret;
}
/* Insert empty block to the list */
-static int put_free_dqblk(struct qtree_mem_dqinfo *info, dqbuf_t buf, uint blk)
+static int put_free_dqblk(struct qtree_mem_dqinfo *info, char *buf, uint blk)
{
struct qt_disk_dqdbheader *dh = (struct qt_disk_dqdbheader *)buf;
int err;
}
/* Remove given block from the list of blocks with free entries */
-static int remove_free_dqentry(struct qtree_mem_dqinfo *info, dqbuf_t buf, uint blk)
+static int remove_free_dqentry(struct qtree_mem_dqinfo *info, char *buf,
+ uint blk)
{
- dqbuf_t tmpbuf = getdqbuf(info->dqi_usable_bs);
+ char *tmpbuf = getdqbuf(info->dqi_usable_bs);
struct qt_disk_dqdbheader *dh = (struct qt_disk_dqdbheader *)buf;
uint nextblk = le32_to_cpu(dh->dqdh_next_free);
uint prevblk = le32_to_cpu(dh->dqdh_prev_free);
info->dqi_free_entry = nextblk;
mark_info_dirty(info->dqi_sb, info->dqi_type);
}
- freedqbuf(tmpbuf);
+ kfree(tmpbuf);
dh->dqdh_next_free = dh->dqdh_prev_free = cpu_to_le32(0);
/* No matter whether write succeeds block is out of list */
if (write_blk(info, blk, buf) < 0)
- printk(KERN_ERR "VFS: Can't write block (%u) with free entries.\n", blk);
+ printk(KERN_ERR
+ "VFS: Can't write block (%u) with free entries.\n",
+ blk);
return 0;
out_buf:
- freedqbuf(tmpbuf);
+ kfree(tmpbuf);
return err;
}
/* Insert given block to the beginning of list with free entries */
-static int insert_free_dqentry(struct qtree_mem_dqinfo *info, dqbuf_t buf, uint blk)
+static int insert_free_dqentry(struct qtree_mem_dqinfo *info, char *buf,
+ uint blk)
{
- dqbuf_t tmpbuf = getdqbuf(info->dqi_usable_bs);
+ char *tmpbuf = getdqbuf(info->dqi_usable_bs);
struct qt_disk_dqdbheader *dh = (struct qt_disk_dqdbheader *)buf;
int err;
if (err < 0)
goto out_buf;
}
- freedqbuf(tmpbuf);
+ kfree(tmpbuf);
info->dqi_free_entry = blk;
mark_info_dirty(info->dqi_sb, info->dqi_type);
return 0;
out_buf:
- freedqbuf(tmpbuf);
+ kfree(tmpbuf);
return err;
}
{
uint blk, i;
struct qt_disk_dqdbheader *dh;
- dqbuf_t buf = getdqbuf(info->dqi_usable_bs);
+ char *buf = getdqbuf(info->dqi_usable_bs);
char *ddquot;
*err = 0;
blk = get_free_dqblk(info);
if ((int)blk < 0) {
*err = blk;
- freedqbuf(buf);
+ kfree(buf);
return 0;
}
memset(buf, 0, info->dqi_usable_bs);
- /* This is enough as block is already zeroed and entry list is empty... */
+ /* This is enough as the block is already zeroed and the entry
+ * list is empty... */
info->dqi_free_entry = blk;
mark_info_dirty(dquot->dq_sb, dquot->dq_type);
}
}
le16_add_cpu(&dh->dqdh_entries, 1);
/* Find free structure in block */
- for (i = 0, ddquot = ((char *)buf) + sizeof(struct qt_disk_dqdbheader);
- i < qtree_dqstr_in_blk(info) && !qtree_entry_unused(info, ddquot);
- i++, ddquot += info->dqi_entry_size);
+ ddquot = buf + sizeof(struct qt_disk_dqdbheader);
+ for (i = 0; i < qtree_dqstr_in_blk(info); i++) {
+ if (qtree_entry_unused(info, ddquot))
+ break;
+ ddquot += info->dqi_entry_size;
+ }
#ifdef __QUOTA_QT_PARANOIA
if (i == qtree_dqstr_in_blk(info)) {
printk(KERN_ERR "VFS: find_free_dqentry(): Data block full "
dquot->dq_off = (blk << info->dqi_blocksize_bits) +
sizeof(struct qt_disk_dqdbheader) +
i * info->dqi_entry_size;
- freedqbuf(buf);
+ kfree(buf);
return blk;
out_buf:
- freedqbuf(buf);
+ kfree(buf);
return 0;
}
static int do_insert_tree(struct qtree_mem_dqinfo *info, struct dquot *dquot,
uint *treeblk, int depth)
{
- dqbuf_t buf = getdqbuf(info->dqi_usable_bs);
+ char *buf = getdqbuf(info->dqi_usable_bs);
int ret = 0, newson = 0, newact = 0;
__le32 *ref;
uint newblk;
put_free_dqblk(info, buf, *treeblk);
}
out_buf:
- freedqbuf(buf);
+ kfree(buf);
return ret;
}
}
/*
- * We don't have to be afraid of deadlocks as we never have quotas on quota files...
+ * We don't have to be afraid of deadlocks as we never have quotas on quota
+ * files...
*/
int qtree_write_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)
{
int type = dquot->dq_type;
struct super_block *sb = dquot->dq_sb;
ssize_t ret;
- dqbuf_t ddquot = getdqbuf(info->dqi_entry_size);
+ char *ddquot = getdqbuf(info->dqi_entry_size);
if (!ddquot)
return -ENOMEM;
if (ret < 0) {
printk(KERN_ERR "VFS: Error %zd occurred while "
"creating quota.\n", ret);
- freedqbuf(ddquot);
+ kfree(ddquot);
return ret;
}
}
spin_lock(&dq_data_lock);
info->dqi_ops->mem2disk_dqblk(ddquot, dquot);
spin_unlock(&dq_data_lock);
- ret = sb->s_op->quota_write(sb, type, (char *)ddquot,
- info->dqi_entry_size, dquot->dq_off);
+ ret = sb->s_op->quota_write(sb, type, ddquot, info->dqi_entry_size,
+ dquot->dq_off);
if (ret != info->dqi_entry_size) {
printk(KERN_WARNING "VFS: dquota write failed on dev %s\n",
sb->s_id);
ret = 0;
}
dqstats.writes++;
- freedqbuf(ddquot);
+ kfree(ddquot);
return ret;
}
uint blk)
{
struct qt_disk_dqdbheader *dh;
- dqbuf_t buf = getdqbuf(info->dqi_usable_bs);
+ char *buf = getdqbuf(info->dqi_usable_bs);
int ret = 0;
if (!buf)
}
dquot->dq_off = 0; /* Quota is now unattached */
out_buf:
- freedqbuf(buf);
+ kfree(buf);
return ret;
}
static int remove_tree(struct qtree_mem_dqinfo *info, struct dquot *dquot,
uint *blk, int depth)
{
- dqbuf_t buf = getdqbuf(info->dqi_usable_bs);
+ char *buf = getdqbuf(info->dqi_usable_bs);
int ret = 0;
uint newblk;
__le32 *ref = (__le32 *)buf;
int i;
ref[get_index(info, dquot->dq_id, depth)] = cpu_to_le32(0);
/* Block got empty? */
- for (i = 0;
- i < (info->dqi_usable_bs >> 2) && !ref[i];
- i++);
+ for (i = 0; i < (info->dqi_usable_bs >> 2) && !ref[i]; i++)
+ ;
/* Don't put the root block into the free block list */
if (i == (info->dqi_usable_bs >> 2)
&& *blk != QT_TREEOFF) {
}
}
out_buf:
- freedqbuf(buf);
+ kfree(buf);
return ret;
}
static loff_t find_block_dqentry(struct qtree_mem_dqinfo *info,
struct dquot *dquot, uint blk)
{
- dqbuf_t buf = getdqbuf(info->dqi_usable_bs);
+ char *buf = getdqbuf(info->dqi_usable_bs);
loff_t ret = 0;
int i;
char *ddquot;
printk(KERN_ERR "VFS: Can't read quota tree block %u.\n", blk);
goto out_buf;
}
- for (i = 0, ddquot = ((char *)buf) + sizeof(struct qt_disk_dqdbheader);
- i < qtree_dqstr_in_blk(info) && !info->dqi_ops->is_id(ddquot, dquot);
- i++, ddquot += info->dqi_entry_size);
+ ddquot = buf + sizeof(struct qt_disk_dqdbheader);
+ for (i = 0; i < qtree_dqstr_in_blk(info); i++) {
+ if (info->dqi_ops->is_id(ddquot, dquot))
+ break;
+ ddquot += info->dqi_entry_size;
+ }
if (i == qtree_dqstr_in_blk(info)) {
printk(KERN_ERR "VFS: Quota for id %u referenced "
"but not present.\n", dquot->dq_id);
qt_disk_dqdbheader) + i * info->dqi_entry_size;
}
out_buf:
- freedqbuf(buf);
+ kfree(buf);
return ret;
}
static loff_t find_tree_dqentry(struct qtree_mem_dqinfo *info,
struct dquot *dquot, uint blk, int depth)
{
- dqbuf_t buf = getdqbuf(info->dqi_usable_bs);
+ char *buf = getdqbuf(info->dqi_usable_bs);
loff_t ret = 0;
__le32 *ref = (__le32 *)buf;
else
ret = find_block_dqentry(info, dquot, blk);
out_buf:
- freedqbuf(buf);
+ kfree(buf);
return ret;
}
int type = dquot->dq_type;
struct super_block *sb = dquot->dq_sb;
loff_t offset;
- dqbuf_t ddquot;
+ char *ddquot;
int ret = 0;
#ifdef __QUOTA_QT_PARANOIA
ddquot = getdqbuf(info->dqi_entry_size);
if (!ddquot)
return -ENOMEM;
- ret = sb->s_op->quota_read(sb, type, (char *)ddquot,
- info->dqi_entry_size, dquot->dq_off);
+ ret = sb->s_op->quota_read(sb, type, ddquot, info->dqi_entry_size,
+ dquot->dq_off);
if (ret != info->dqi_entry_size) {
if (ret >= 0)
ret = -EIO;
"structure for id %u.\n", dquot->dq_id);
set_bit(DQ_FAKE_B, &dquot->dq_flags);
memset(&dquot->dq_dqb, 0, sizeof(struct mem_dqblk));
- freedqbuf(ddquot);
+ kfree(ddquot);
goto out;
}
spin_lock(&dq_data_lock);
!dquot->dq_dqb.dqb_isoftlimit)
set_bit(DQ_FAKE_B, &dquot->dq_flags);
spin_unlock(&dq_data_lock);
- freedqbuf(ddquot);
+ kfree(ddquot);
out:
dqstats.reads++;
return ret;
* the only one operating on dquot (thanks to dq_lock) */
int qtree_release_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)
{
- if (test_bit(DQ_FAKE_B, &dquot->dq_flags) && !(dquot->dq_dqb.dqb_curinodes | dquot->dq_dqb.dqb_curspace))
+ if (test_bit(DQ_FAKE_B, &dquot->dq_flags) &&
+ !(dquot->dq_dqb.dqb_curinodes | dquot->dq_dqb.dqb_curspace))
return qtree_delete_dquot(info, dquot);
return 0;
}