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quota: convert macros to inline functions 

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jan Kara 2008-07-25 01:46:52 -07:00 committed by Linus Torvalds
parent 74abb9890d
commit 03b063436c
2 changed files with 53 additions and 17 deletions
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5
include/linux/quota.h
View File

@ -223,7 +223,10 @@ struct super_block;
#define DQF_INFO_DIRTY (1 << DQF_INFO_DIRTY_B) /* Is info dirty? */
extern void mark_info_dirty(struct super_block *sb, int type);
#define info_dirty(info) test_bit(DQF_INFO_DIRTY_B, &(info)->dqi_flags)
static inline int info_dirty(struct mem_dqinfo *info)
{
return test_bit(DQF_INFO_DIRTY_B, &info->dqi_flags);
}
struct dqstats {
int lookups;

65
include/linux/quotaops.h
View File

@ -11,10 +11,12 @@
#define _LINUX_QUOTAOPS_
#include <linux/smp_lock.h>
#include <linux/fs.h>
#define sb_dqopt(sb) (&(sb)->s_dquot)
static inline struct quota_info *sb_dqopt(struct super_block *sb)
{
return &sb->s_dquot;
}
#if defined(CONFIG_QUOTA)
@ -54,24 +56,40 @@ void vfs_dq_drop(struct inode *inode);
int vfs_dq_transfer(struct inode *inode, struct iattr *iattr);
int vfs_dq_quota_on_remount(struct super_block *sb);
#define sb_dqinfo(sb, type) (sb_dqopt(sb)->info+(type))
static inline struct mem_dqinfo *sb_dqinfo(struct super_block *sb, int type)
{
return sb_dqopt(sb)->info + type;
}
/*
* Functions for checking status of quota
*/
#define sb_has_quota_enabled(sb, type) ((type)==USRQUOTA ? \
(sb_dqopt(sb)->flags & DQUOT_USR_ENABLED) : (sb_dqopt(sb)->flags & DQUOT_GRP_ENABLED))
static inline int sb_has_quota_enabled(struct super_block *sb, int type)
{
if (type == USRQUOTA)
return sb_dqopt(sb)->flags & DQUOT_USR_ENABLED;
return sb_dqopt(sb)->flags & DQUOT_GRP_ENABLED;
}
#define sb_any_quota_enabled(sb) (sb_has_quota_enabled(sb, USRQUOTA) | \
sb_has_quota_enabled(sb, GRPQUOTA))
static inline int sb_any_quota_enabled(struct super_block *sb)
{
return sb_has_quota_enabled(sb, USRQUOTA) ||
sb_has_quota_enabled(sb, GRPQUOTA);
}
#define sb_has_quota_suspended(sb, type) \
((type) == USRQUOTA ? (sb_dqopt(sb)->flags & DQUOT_USR_SUSPENDED) : \
(sb_dqopt(sb)->flags & DQUOT_GRP_SUSPENDED))
static inline int sb_has_quota_suspended(struct super_block *sb, int type)
{
if (type == USRQUOTA)
return sb_dqopt(sb)->flags & DQUOT_USR_SUSPENDED;
return sb_dqopt(sb)->flags & DQUOT_GRP_SUSPENDED;
}
#define sb_any_quota_suspended(sb) (sb_has_quota_suspended(sb, USRQUOTA) | \
sb_has_quota_suspended(sb, GRPQUOTA))
static inline int sb_any_quota_suspended(struct super_block *sb)
{
return sb_has_quota_suspended(sb, USRQUOTA) ||
sb_has_quota_suspended(sb, GRPQUOTA);
}
/*
* Operations supported for diskquotas.
@ -180,10 +198,25 @@ static inline int vfs_dq_off(struct super_block *sb, int remount)
#else
#define sb_has_quota_enabled(sb, type) 0
#define sb_any_quota_enabled(sb) 0
#define sb_has_quota_suspended(sb, type) 0
#define sb_any_quota_suspended(sb) 0
static inline int sb_has_quota_enabled(struct super_block *sb, int type)
{
return 0;
}
static inline int sb_any_quota_enabled(struct super_block *sb)
{
return 0;
}
static inline int sb_has_quota_suspended(struct super_block *sb, int type)
{
return 0;
}
static inline int sb_any_quota_suspended(struct super_block *sb)
{
return 0;
}
/*
* NO-OP when quota not configured.