really properly move files

1 files changed, 420 insertions, 0 deletions

diff --git a/libdde-linux26/contrib/include/linux/quotaops.h b/libdde-linux26/contrib/include/linux/quotaops.h
new file mode 100644
index 00000000..0b35b3a1
--- /dev/null
+++ b/libdde-linux26/contrib/include/linux/quotaops.h
@@ -0,0 +1,420 @@
+/*
+ * Definitions for diskquota-operations. When diskquota is configured these
+ * macros expand to the right source-code.
+ *
+ * Author:  Marco van Wieringen <mvw@planets.elm.net>
+ */
+#ifndef _LINUX_QUOTAOPS_
+#define _LINUX_QUOTAOPS_
+
+#include <linux/smp_lock.h>
+#include <linux/fs.h>
+
+static inline struct quota_info *sb_dqopt(struct super_block *sb)
+{
+	return &sb->s_dquot;
+}
+
+#if defined(CONFIG_QUOTA)
+
+/*
+ * declaration of quota_function calls in kernel.
+ */
+void sync_dquots(struct super_block *sb, int type);
+
+int dquot_initialize(struct inode *inode, int type);
+int dquot_drop(struct inode *inode);
+struct dquot *dqget(struct super_block *sb, unsigned int id, int type);
+void dqput(struct dquot *dquot);
+int dquot_scan_active(struct super_block *sb,
+		      int (*fn)(struct dquot *dquot, unsigned long priv),
+		      unsigned long priv);
+struct dquot *dquot_alloc(struct super_block *sb, int type);
+void dquot_destroy(struct dquot *dquot);
+
+int dquot_alloc_space(struct inode *inode, qsize_t number, int prealloc);
+int dquot_alloc_inode(const struct inode *inode, qsize_t number);
+
+int dquot_free_space(struct inode *inode, qsize_t number);
+int dquot_free_inode(const struct inode *inode, qsize_t number);
+
+int dquot_transfer(struct inode *inode, struct iattr *iattr);
+int dquot_commit(struct dquot *dquot);
+int dquot_acquire(struct dquot *dquot);
+int dquot_release(struct dquot *dquot);
+int dquot_commit_info(struct super_block *sb, int type);
+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);
+int vfs_get_dqblk(struct super_block *sb, int type, qid_t id, struct if_dqblk *di);
+int vfs_set_dqblk(struct super_block *sb, int type, qid_t id, struct if_dqblk *di);
+
+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);
+
+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
+ */
+
+static inline int 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)
+{
+	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)
+{
+	return sb_dqopt(sb)->flags &
+				dquot_state_flag(DQUOT_SUSPENDED, type);
+}
+
+static inline int sb_any_quota_suspended(struct super_block *sb)
+{
+	return sb_has_quota_suspended(sb, USRQUOTA) ||
+		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);
+}
+
+/*
+ * Operations supported for diskquotas.
+ */
+extern struct dquot_operations dquot_operations;
+extern struct quotactl_ops vfs_quotactl_ops;
+
+#define sb_dquot_ops (&dquot_operations)
+#define sb_quotactl_ops (&vfs_quotactl_ops)
+
+/* It is better to call this function outside of any transaction as it might
+ * need a lot of space in journal for dquot structure allocation. */
+static inline void vfs_dq_init(struct inode *inode)
+{
+	BUG_ON(!inode->i_sb);
+	if (sb_any_quota_active(inode->i_sb) && !IS_NOQUOTA(inode))
+		inode->i_sb->dq_op->initialize(inode, -1);
+}
+
+/* The following allocation/freeing/transfer functions *must* be called inside
+ * a transaction (deadlocks possible otherwise) */
+static inline int vfs_dq_prealloc_space_nodirty(struct inode *inode, qsize_t nr)
+{
+	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;
+	}
+	else
+		inode_add_bytes(inode, nr);
+	return 0;
+}
+
+static inline int vfs_dq_prealloc_space(struct inode *inode, qsize_t nr)
+{
+	int ret;
+        if (!(ret =  vfs_dq_prealloc_space_nodirty(inode, nr)))
+		mark_inode_dirty(inode);
+	return ret;
+}
+
+static inline int vfs_dq_alloc_space_nodirty(struct inode *inode, qsize_t nr)
+{
+	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;
+	}
+	else
+		inode_add_bytes(inode, nr);
+	return 0;
+}
+
+static inline int vfs_dq_alloc_space(struct inode *inode, qsize_t nr)
+{
+	int ret;
+	if (!(ret = vfs_dq_alloc_space_nodirty(inode, nr)))
+		mark_inode_dirty(inode);
+	return ret;
+}
+
+static inline int vfs_dq_alloc_inode(struct inode *inode)
+{
+	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;
+	}
+	return 0;
+}
+
+static inline void vfs_dq_free_space_nodirty(struct inode *inode, qsize_t nr)
+{
+	if (sb_any_quota_active(inode->i_sb))
+		inode->i_sb->dq_op->free_space(inode, nr);
+	else
+		inode_sub_bytes(inode, nr);
+}
+
+static inline void vfs_dq_free_space(struct inode *inode, qsize_t nr)
+{
+	vfs_dq_free_space_nodirty(inode, nr);
+	mark_inode_dirty(inode);
+}
+
+static inline void vfs_dq_free_inode(struct inode *inode)
+{
+	if (sb_any_quota_active(inode->i_sb))
+		inode->i_sb->dq_op->free_inode(inode, 1);
+}
+
+/* The following two functions cannot be called inside a transaction */
+static inline void vfs_dq_sync(struct super_block *sb)
+{
+	sync_dquots(sb, -1);
+}
+
+static inline int vfs_dq_off(struct super_block *sb, int remount)
+{
+	int ret = -ENOSYS;
+
+	if (sb->s_qcop && sb->s_qcop->quota_off)
+		ret = sb->s_qcop->quota_off(sb, -1, remount);
+	return ret;
+}
+
+#else
+
+static inline int sb_has_quota_usage_enabled(struct super_block *sb, int type)
+{
+	return 0;
+}
+
+static inline int sb_has_quota_limits_enabled(struct super_block *sb, int type)
+{
+	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;
+}
+
+/* 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;
+}
+
+/*
+ * NO-OP when quota not configured.
+ */
+#define sb_dquot_ops				(NULL)
+#define sb_quotactl_ops				(NULL)
+
+static inline void vfs_dq_init(struct inode *inode)
+{
+}
+
+static inline void vfs_dq_drop(struct inode *inode)
+{
+}
+
+static inline int vfs_dq_alloc_inode(struct inode *inode)
+{
+	return 0;
+}
+
+static inline void vfs_dq_free_inode(struct inode *inode)
+{
+}
+
+static inline void vfs_dq_sync(struct super_block *sb)
+{
+}
+
+static inline int vfs_dq_off(struct super_block *sb, int remount)
+{
+	return 0;
+}
+
+static inline int vfs_dq_quota_on_remount(struct super_block *sb)
+{
+	return 0;
+}
+
+static inline int vfs_dq_transfer(struct inode *inode, struct iattr *iattr)
+{
+	return 0;
+}
+
+static inline int vfs_dq_prealloc_space_nodirty(struct inode *inode, qsize_t nr)
+{
+	inode_add_bytes(inode, nr);
+	return 0;
+}
+
+static inline int vfs_dq_prealloc_space(struct inode *inode, qsize_t nr)
+{
+	vfs_dq_prealloc_space_nodirty(inode, nr);
+	mark_inode_dirty(inode);
+	return 0;
+}
+
+static inline int vfs_dq_alloc_space_nodirty(struct inode *inode, qsize_t nr)
+{
+	inode_add_bytes(inode, nr);
+	return 0;
+}
+
+static inline int vfs_dq_alloc_space(struct inode *inode, qsize_t nr)
+{
+	vfs_dq_alloc_space_nodirty(inode, nr);
+	mark_inode_dirty(inode);
+	return 0;
+}
+
+static inline void vfs_dq_free_space_nodirty(struct inode *inode, qsize_t nr)
+{
+	inode_sub_bytes(inode, nr);
+}
+
+static inline void vfs_dq_free_space(struct inode *inode, qsize_t nr)
+{
+	vfs_dq_free_space_nodirty(inode, nr);
+	mark_inode_dirty(inode);
+}	
+
+#endif /* CONFIG_QUOTA */
+
+static inline int vfs_dq_prealloc_block_nodirty(struct inode *inode, qsize_t nr)
+{
+	return vfs_dq_prealloc_space_nodirty(inode,
+			nr << inode->i_sb->s_blocksize_bits);
+}
+
+static inline int vfs_dq_prealloc_block(struct inode *inode, qsize_t nr)
+{
+	return vfs_dq_prealloc_space(inode,
+			nr << inode->i_sb->s_blocksize_bits);
+}
+
+static inline int vfs_dq_alloc_block_nodirty(struct inode *inode, qsize_t nr)
+{
+ 	return vfs_dq_alloc_space_nodirty(inode,
+			nr << inode->i_sb->s_blocksize_bits);
+}
+
+static inline int vfs_dq_alloc_block(struct inode *inode, qsize_t nr)
+{
+	return vfs_dq_alloc_space(inode,
+			nr << inode->i_sb->s_blocksize_bits);
+}
+
+static inline void vfs_dq_free_block_nodirty(struct inode *inode, qsize_t nr)
+{
+	vfs_dq_free_space_nodirty(inode, nr << inode->i_sb->s_blocksize_bits);
+}
+
+static inline void vfs_dq_free_block(struct inode *inode, qsize_t nr)
+{
+	vfs_dq_free_space(inode, nr << inode->i_sb->s_blocksize_bits);
+}
+
+/*
+ * Define uppercase equivalents for compatibility with old function names
+ * Can go away when we think all users have been converted (15/04/2008)
+ */
+#define DQUOT_INIT(inode) vfs_dq_init(inode)
+#define DQUOT_DROP(inode) vfs_dq_drop(inode)
+#define DQUOT_PREALLOC_SPACE_NODIRTY(inode, nr) \
+				vfs_dq_prealloc_space_nodirty(inode, nr)
+#define DQUOT_PREALLOC_SPACE(inode, nr) vfs_dq_prealloc_space(inode, nr)
+#define DQUOT_ALLOC_SPACE_NODIRTY(inode, nr) \
+				vfs_dq_alloc_space_nodirty(inode, nr)
+#define DQUOT_ALLOC_SPACE(inode, nr) vfs_dq_alloc_space(inode, nr)
+#define DQUOT_PREALLOC_BLOCK_NODIRTY(inode, nr) \
+				vfs_dq_prealloc_block_nodirty(inode, nr)
+#define DQUOT_PREALLOC_BLOCK(inode, nr) vfs_dq_prealloc_block(inode, nr)
+#define DQUOT_ALLOC_BLOCK_NODIRTY(inode, nr) \
+				vfs_dq_alloc_block_nodirty(inode, nr)
+#define DQUOT_ALLOC_BLOCK(inode, nr) vfs_dq_alloc_block(inode, nr)
+#define DQUOT_ALLOC_INODE(inode) vfs_dq_alloc_inode(inode)
+#define DQUOT_FREE_SPACE_NODIRTY(inode, nr) \
+				vfs_dq_free_space_nodirty(inode, nr)
+#define DQUOT_FREE_SPACE(inode, nr) vfs_dq_free_space(inode, nr)
+#define DQUOT_FREE_BLOCK_NODIRTY(inode, nr) \
+				vfs_dq_free_block_nodirty(inode, nr)
+#define DQUOT_FREE_BLOCK(inode, nr) vfs_dq_free_block(inode, nr)
+#define DQUOT_FREE_INODE(inode) vfs_dq_free_inode(inode)
+#define DQUOT_TRANSFER(inode, iattr) vfs_dq_transfer(inode, iattr)
+#define DQUOT_SYNC(sb) vfs_dq_sync(sb)
+#define DQUOT_OFF(sb, remount) vfs_dq_off(sb, remount)
+#define DQUOT_ON_REMOUNT(sb) vfs_dq_quota_on_remount(sb)
+
+#endif /* _LINUX_QUOTAOPS_ */