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Diffstat (limited to 'include/linux/quotaops.h')
-rw-r--r--include/linux/quotaops.h91
1 files changed, 71 insertions, 20 deletions
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index ffd97071cd1e..3b3346fa657c 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -40,11 +40,14 @@ int dquot_mark_dquot_dirty(struct dquot *dquot);
int vfs_quota_on(struct super_block *sb, int type, int format_id,
char *path, int remount);
+int vfs_quota_enable(struct inode *inode, int type, int format_id,
+ unsigned int flags);
int vfs_quota_on_path(struct super_block *sb, int type, int format_id,
struct path *path);
int vfs_quota_on_mount(struct super_block *sb, char *qf_name,
int format_id, int type);
int vfs_quota_off(struct super_block *sb, int type, int remount);
+int vfs_quota_disable(struct super_block *sb, int type, unsigned int flags);
int vfs_quota_sync(struct super_block *sb, int type);
int vfs_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
int vfs_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
@@ -64,26 +67,22 @@ 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_enabled(struct super_block *sb, int type)
+static inline int sb_has_quota_usage_enabled(struct super_block *sb, int type)
{
- if (type == USRQUOTA)
- return (sb_dqopt(sb)->flags & DQUOT_USR_ENABLED)
- && !(sb_dqopt(sb)->flags & DQUOT_USR_SUSPENDED);
- return (sb_dqopt(sb)->flags & DQUOT_GRP_ENABLED)
- && !(sb_dqopt(sb)->flags & DQUOT_GROUP_SUSPENDED);
+ return sb_dqopt(sb)->flags &
+ dquot_state_flag(DQUOT_USAGE_ENABLED, type);
}
-static inline int sb_any_quota_enabled(struct super_block *sb)
+static inline int sb_has_quota_limits_enabled(struct super_block *sb, int type)
{
- return sb_has_quota_enabled(sb, USRQUOTA) ||
- sb_has_quota_enabled(sb, GRPQUOTA);
+ 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)
{
- if (type == USRQUOTA)
- return sb_dqopt(sb)->flags & DQUOT_USR_SUSPENDED;
- return sb_dqopt(sb)->flags & DQUOT_GRP_SUSPENDED;
+ return sb_dqopt(sb)->flags &
+ dquot_state_flag(DQUOT_SUSPENDED, type);
}
static inline int sb_any_quota_suspended(struct super_block *sb)
@@ -92,6 +91,34 @@ static inline int sb_any_quota_suspended(struct super_block *sb)
sb_has_quota_suspended(sb, GRPQUOTA);
}
+/* Does kernel know about any quota information for given sb + type? */
+static inline int 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)
+{
+ return sb_has_quota_loaded(sb, USRQUOTA) ||
+ sb_has_quota_loaded(sb, GRPQUOTA);
+}
+
+static inline int 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)
+{
+ return sb_has_quota_active(sb, USRQUOTA) ||
+ sb_has_quota_active(sb, GRPQUOTA);
+}
+
+/* For backward compatibility until we remove all users */
+#define sb_any_quota_enabled(sb) sb_any_quota_active(sb)
+
/*
* Operations supported for diskquotas.
*/
@@ -106,7 +133,7 @@ extern struct quotactl_ops vfs_quotactl_ops;
static inline void vfs_dq_init(struct inode *inode)
{
BUG_ON(!inode->i_sb);
- if (sb_any_quota_enabled(inode->i_sb) && !IS_NOQUOTA(inode))
+ if (sb_any_quota_active(inode->i_sb) && !IS_NOQUOTA(inode))
inode->i_sb->dq_op->initialize(inode, -1);
}
@@ -114,7 +141,7 @@ static inline void vfs_dq_init(struct inode *inode)
* a transaction (deadlocks possible otherwise) */
static inline int vfs_dq_prealloc_space_nodirty(struct inode *inode, qsize_t nr)
{
- if (sb_any_quota_enabled(inode->i_sb)) {
+ if (sb_any_quota_active(inode->i_sb)) {
/* Used space is updated in alloc_space() */
if (inode->i_sb->dq_op->alloc_space(inode, nr, 1) == NO_QUOTA)
return 1;
@@ -134,7 +161,7 @@ static inline int vfs_dq_prealloc_space(struct inode *inode, qsize_t nr)
static inline int vfs_dq_alloc_space_nodirty(struct inode *inode, qsize_t nr)
{
- if (sb_any_quota_enabled(inode->i_sb)) {
+ if (sb_any_quota_active(inode->i_sb)) {
/* Used space is updated in alloc_space() */
if (inode->i_sb->dq_op->alloc_space(inode, nr, 0) == NO_QUOTA)
return 1;
@@ -154,7 +181,7 @@ static inline int vfs_dq_alloc_space(struct inode *inode, qsize_t nr)
static inline int vfs_dq_alloc_inode(struct inode *inode)
{
- if (sb_any_quota_enabled(inode->i_sb)) {
+ if (sb_any_quota_active(inode->i_sb)) {
vfs_dq_init(inode);
if (inode->i_sb->dq_op->alloc_inode(inode, 1) == NO_QUOTA)
return 1;
@@ -164,7 +191,7 @@ static inline int vfs_dq_alloc_inode(struct inode *inode)
static inline void vfs_dq_free_space_nodirty(struct inode *inode, qsize_t nr)
{
- if (sb_any_quota_enabled(inode->i_sb))
+ if (sb_any_quota_active(inode->i_sb))
inode->i_sb->dq_op->free_space(inode, nr);
else
inode_sub_bytes(inode, nr);
@@ -178,7 +205,7 @@ static inline void vfs_dq_free_space(struct inode *inode, qsize_t nr)
static inline void vfs_dq_free_inode(struct inode *inode)
{
- if (sb_any_quota_enabled(inode->i_sb))
+ if (sb_any_quota_active(inode->i_sb))
inode->i_sb->dq_op->free_inode(inode, 1);
}
@@ -199,12 +226,12 @@ static inline int vfs_dq_off(struct super_block *sb, int remount)
#else
-static inline int sb_has_quota_enabled(struct super_block *sb, int type)
+static inline int sb_has_quota_usage_enabled(struct super_block *sb, int type)
{
return 0;
}
-static inline int sb_any_quota_enabled(struct super_block *sb)
+static inline int sb_has_quota_limits_enabled(struct super_block *sb, int type)
{
return 0;
}
@@ -219,6 +246,30 @@ static inline int sb_any_quota_suspended(struct super_block *sb)
return 0;
}
+/* Does kernel know about any quota information for given sb + type? */
+static inline int sb_has_quota_loaded(struct super_block *sb, int type)
+{
+ return 0;
+}
+
+static inline int sb_any_quota_loaded(struct super_block *sb)
+{
+ return 0;
+}
+
+static inline int sb_has_quota_active(struct super_block *sb, int type)
+{
+ return 0;
+}
+
+static inline int sb_any_quota_active(struct super_block *sb)
+{
+ return 0;
+}
+
+/* For backward compatibility until we remove all users */
+#define sb_any_quota_enabled(sb) sb_any_quota_active(sb)
+
/*
* NO-OP when quota not configured.
*/
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-27 22:46:28 +0300