quota: quota core changes for quotaon on remount

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / quotaops.h

diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index 1aac25511f072508c8b11ad38b71277b7027682e..c97c8f3fa6ee92d21f0ea4e90357b803d00a6db7 100644 (file)
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -37,10 +37,11 @@ extern int dquot_release(struct dquot *dquot);
 extern int dquot_commit_info(struct super_block *sb, int type);
 extern int dquot_mark_dquot_dirty(struct dquot *dquot);
 
-extern int vfs_quota_on(struct super_block *sb, int type, int format_id, char *path);
+extern int vfs_quota_on(struct super_block *sb, int type, int format_id,
+               char *path, int remount);
 extern int vfs_quota_on_mount(struct super_block *sb, char *qf_name,
                int format_id, int type);
-extern int vfs_quota_off(struct super_block *sb, int type);
+extern int vfs_quota_off(struct super_block *sb, int type, int remount);
 extern int vfs_quota_sync(struct super_block *sb, int type);
 extern int vfs_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
 extern int vfs_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
@@ -175,12 +176,27 @@ static inline void DQUOT_SYNC(struct super_block *sb)
        sync_dquots(sb, -1);
 }
 
-static inline int DQUOT_OFF(struct super_block *sb)
+static inline int DQUOT_OFF(struct super_block *sb, int remount)
 {
        int ret = -ENOSYS;
 
-       if (sb_any_quota_enabled(sb) && sb->s_qcop && sb->s_qcop->quota_off)
-               ret = sb->s_qcop->quota_off(sb, -1);
+       if (sb->s_qcop && sb->s_qcop->quota_off)
+               ret = sb->s_qcop->quota_off(sb, -1, remount);
+       return ret;
+}
+
+static inline int DQUOT_ON_REMOUNT(struct super_block *sb)
+{
+       int cnt;
+       int ret = 0, err;
+
+       if (!sb->s_qcop || !sb->s_qcop->quota_on)
+               return -ENOSYS;
+       for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
+               err = sb->s_qcop->quota_on(sb, cnt, 0, NULL, 1);
+               if (err < 0 && !ret)
+                       ret = err;
+       }
        return ret;
 }
 
@@ -196,7 +212,8 @@ static inline int DQUOT_OFF(struct super_block *sb)
 #define DQUOT_ALLOC_INODE(inode)               (0)
 #define DQUOT_FREE_INODE(inode)                        do { } while(0)
 #define DQUOT_SYNC(sb)                         do { } while(0)
-#define DQUOT_OFF(sb)                          (0)
+#define DQUOT_OFF(sb, remount)                 (0)
+#define DQUOT_ON_REMOUNT(sb)                   (0)
 #define DQUOT_TRANSFER(inode, iattr)           (0)
 static inline int DQUOT_PREALLOC_SPACE_NODIRTY(struct inode *inode, qsize_t nr)
 {