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authorDmitry Monakhov <dmonakhov@openvz.org>2010-02-16 08:31:49 +0300
committerJan Kara <jack@suse.cz>2010-03-05 00:20:26 +0100
commitad1e6e8da9fe8cb7ecfde8eabacedc3b50fceae4 (patch)
tree0971e2039c2d6feb6763ba018e9c73123d207ddb
parent86963918965eb8fe0c8ae009e7c1b4c630f533d5 (diff)
quota: sb_quota state flags cleanup
- remove hardcoded USRQUOTA/GRPQUOTA flags - convert int to bool for appropriate functions Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org> Signed-off-by: Jan Kara <jack@suse.cz>
-rw-r--r--fs/quota/dquot.c3
-rw-r--r--include/linux/quota.h15
-rw-r--r--include/linux/quotaops.h31
3 files changed, 26 insertions, 23 deletions
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 4c2213f7ed3..5a831dc5ab2 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -1301,7 +1301,7 @@ int dquot_initialize(struct inode *inode, int type)
{
unsigned int id = 0;
int cnt, ret = 0;
- struct dquot *got[MAXQUOTAS] = { NULL, NULL };
+ struct dquot *got[MAXQUOTAS];
struct super_block *sb = inode->i_sb;
qsize_t rsv;
@@ -1312,6 +1312,7 @@ int dquot_initialize(struct inode *inode, int type)
/* First get references to structures we might need. */
for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
+ got[cnt] = NULL;
if (type != -1 && cnt != type)
continue;
switch (cnt) {
diff --git a/include/linux/quota.h b/include/linux/quota.h
index 570348cbccb..92547a57e25 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -357,26 +357,25 @@ enum {
#define DQUOT_STATE_FLAGS (DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED | \
DQUOT_SUSPENDED)
/* Other quota flags */
-#define DQUOT_QUOTA_SYS_FILE (1 << 6) /* Quota file is a special
+#define DQUOT_STATE_LAST (_DQUOT_STATE_FLAGS * MAXQUOTAS)
+#define DQUOT_QUOTA_SYS_FILE (1 << DQUOT_STATE_LAST)
+ /* Quota file is a special
* system file and user cannot
* touch it. Filesystem is
* responsible for setting
* S_NOQUOTA, S_NOATIME flags
*/
-#define DQUOT_NEGATIVE_USAGE (1 << 7) /* Allow negative quota usage */
+#define DQUOT_NEGATIVE_USAGE (1 << (DQUOT_STATE_LAST + 1))
+ /* Allow negative quota usage */
static inline unsigned int dquot_state_flag(unsigned int flags, int type)
{
- if (type == USRQUOTA)
- return flags;
- return flags << _DQUOT_STATE_FLAGS;
+ return flags << _DQUOT_STATE_FLAGS * type;
}
static inline unsigned int dquot_generic_flag(unsigned int flags, int type)
{
- if (type == USRQUOTA)
- return flags;
- return flags >> _DQUOT_STATE_FLAGS;
+ return (flags >> _DQUOT_STATE_FLAGS * type) & DQUOT_STATE_FLAGS;
}
#ifdef CONFIG_QUOTA_NETLINK_INTERFACE
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index 8cfd0d44c99..e563a20cff4 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -79,53 +79,56 @@ static inline struct mem_dqinfo *sb_dqinfo(struct super_block *sb, int type)
* Functions for checking status of quota
*/
-static inline int sb_has_quota_usage_enabled(struct super_block *sb, int type)
+static inline bool sb_has_quota_usage_enabled(struct super_block *sb, int type)
{
return sb_dqopt(sb)->flags &
dquot_state_flag(DQUOT_USAGE_ENABLED, type);
}
-static inline int sb_has_quota_limits_enabled(struct super_block *sb, int type)
+static inline bool sb_has_quota_limits_enabled(struct super_block *sb, int type)
{
return sb_dqopt(sb)->flags &
dquot_state_flag(DQUOT_LIMITS_ENABLED, type);
}
-static inline int sb_has_quota_suspended(struct super_block *sb, int type)
+static inline bool sb_has_quota_suspended(struct super_block *sb, int type)
{
return sb_dqopt(sb)->flags &
dquot_state_flag(DQUOT_SUSPENDED, type);
}
-static inline int sb_any_quota_suspended(struct super_block *sb)
+static inline unsigned sb_any_quota_suspended(struct super_block *sb)
{
- return sb_has_quota_suspended(sb, USRQUOTA) ||
- sb_has_quota_suspended(sb, GRPQUOTA);
+ unsigned type, tmsk = 0;
+ for (type = 0; type < MAXQUOTAS; type++)
+ tmsk |= sb_has_quota_suspended(sb, type) << type;
+ return tmsk;
}
/* Does kernel know about any quota information for given sb + type? */
-static inline int sb_has_quota_loaded(struct super_block *sb, int type)
+static inline bool sb_has_quota_loaded(struct super_block *sb, int type)
{
/* Currently if anything is on, then quota usage is on as well */
return sb_has_quota_usage_enabled(sb, type);
}
-static inline int sb_any_quota_loaded(struct super_block *sb)
+static inline unsigned sb_any_quota_loaded(struct super_block *sb)
{
- return sb_has_quota_loaded(sb, USRQUOTA) ||
- sb_has_quota_loaded(sb, GRPQUOTA);
+ unsigned type, tmsk = 0;
+ for (type = 0; type < MAXQUOTAS; type++)
+ tmsk |= sb_has_quota_loaded(sb, type) << type;
+ return tmsk;
}
-static inline int sb_has_quota_active(struct super_block *sb, int type)
+static inline bool sb_has_quota_active(struct super_block *sb, int type)
{
return sb_has_quota_loaded(sb, type) &&
!sb_has_quota_suspended(sb, type);
}
-static inline int sb_any_quota_active(struct super_block *sb)
+static inline unsigned sb_any_quota_active(struct super_block *sb)
{
- return sb_has_quota_active(sb, USRQUOTA) ||
- sb_has_quota_active(sb, GRPQUOTA);
+ return sb_any_quota_loaded(sb) & ~sb_any_quota_suspended(sb);
}
/*