fs/quota: update quota state flags scheme with project quota flags

Current quota state flags scheme doesn't include project quota and thus
shows all flags after DQUOT_USAGE_ENABLED wrong. Fix this and also add
DQUOT_NOLIST_DIRTY to the scheme.

Link: https://lore.kernel.org/r/1602989814-28922-1-git-send-email-dotdot@yandex-team.ru
Signed-off-by: Roman Anufriev <dotdot@yandex-team.ru>
Signed-off-by: Jan Kara <jack@suse.cz>

diff --git a/include/linux/quota.h b/include/linux/quota.h
index 27aab84..18ebd39 100644 (file)
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -448,17 +448,18 @@ struct quota_format_type {
 };
 
 /**
- * Quota state flags - they actually come in two flavors - for users and groups.
+ * Quota state flags - they come in three flavors - for users, groups and projects.
  *
  * Actual typed flags layout:
- *                             USRQUOTA        GRPQUOTA
- *  DQUOT_USAGE_ENABLED                0x0001          0x0002
- *  DQUOT_LIMITS_ENABLED       0x0004          0x0008
- *  DQUOT_SUSPENDED            0x0010          0x0020
+ *                             USRQUOTA        GRPQUOTA        PRJQUOTA
+ *  DQUOT_USAGE_ENABLED                0x0001          0x0002          0x0004
+ *  DQUOT_LIMITS_ENABLED       0x0008          0x0010          0x0020
+ *  DQUOT_SUSPENDED            0x0040          0x0080          0x0100
  *
  * Following bits are used for non-typed flags:
- *  DQUOT_QUOTA_SYS_FILE       0x0040
- *  DQUOT_NEGATIVE_USAGE       0x0080
+ *  DQUOT_QUOTA_SYS_FILE       0x0200
+ *  DQUOT_NEGATIVE_USAGE       0x0400
+ *  DQUOT_NOLIST_DIRTY         0x0800
  */
 enum {
        _DQUOT_USAGE_ENABLED = 0,               /* Track disk usage for users */