Since all preparation code are already in quota-tree,
So this patch is really small.
---
fs/quota/dquot.c | 18 ++++++++++++++++++
fs/quota/quotaio_v2.h | 6 ++++--
include/linux/quota.h | 12 +++++++++++-
3 files changed, 33 insertions(+), 3 deletions(-)
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index e0b870f..3590888 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -1091,6 +1091,11 @@ static int need_print_warning(struct dquot *dquot)
return current_fsuid() == dquot->dq_id;
case GRPQUOTA:
return in_group_p(dquot->dq_id);
+ case PRJQUOTA:
+ /* XXX: Currently there is no way to understand
+ which project_id this task belonges to, So print
+ a warn message unconditionally. -dmon */
+ return 1;
}
return 0;
}
@@ -1327,6 +1332,13 @@ static void __dquot_initialize(struct inode *inode, int type)
case GRPQUOTA:
id = inode->i_gid;
break;
+ case PRJQUOTA:
+#ifdef CONFIG_PROJECT_ID
+ id = inode->i_prjid;
+#else
+ BUG_ON(sb_has_quota_loaded(inode->i_sb, PRJQUOTA));
+#endif
+ break;
}
got[cnt] = dqget(sb, id, cnt);
}
@@ -1792,6 +1804,12 @@ int dquot_transfer(struct inode *inode, struct iattr *iattr)
mask |= 1 << GRPQUOTA;
chid[GRPQUOTA] = iattr->ia_gid;
}
+#ifdef CONFIG_PROJECT_ID
+ if (iattr->ia_valid & ATTR_PRJID && iattr->ia_prjid != inode->i_prjid) {
+ mask |= 1 << PRJQUOTA;
+ chid[GRPQUOTA] = iattr->ia_prjid;
+ }
+#endif
if (sb_any_quota_active(inode->i_sb) && !IS_NOQUOTA(inode)) {
dquot_initialize(inode);
return __dquot_transfer(inode, chid, mask);
diff --git a/fs/quota/quotaio_v2.h b/fs/quota/quotaio_v2.h
index f1966b4..bfab9df 100644
--- a/fs/quota/quotaio_v2.h
+++ b/fs/quota/quotaio_v2.h
@@ -13,12 +13,14 @@
*/
#define V2_INITQMAGICS {\
0xd9c01f11, /* USRQUOTA */\
- 0xd9c01927 /* GRPQUOTA */\
+ 0xd9c01927, /* GRPQUOTA */\
+ 0xd9c03f14 /* PRJQUOTA */\
}
#define V2_INITQVERSIONS {\
1, /* USRQUOTA */\
- 1 /* GRPQUOTA */\
+ 1, /* GRPQUOTA */ \
+ 1 /* PRJQUOTA */\
}
/* First generic header */
diff --git a/include/linux/quota.h b/include/linux/quota.h
index b462916..73332c5 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -36,18 +36,28 @@
#include <linux/errno.h>
#include <linux/types.h>
-#define __DQUOT_VERSION__ "dquot_6.5.2"
+#define __DQUOT_VERSION__ "dquot_6.6.0"
+#ifdef CONFIG_PROJECT_ID
+#define MAXQUOTAS 3
+#else
#define MAXQUOTAS 2
+#endif
+
#define USRQUOTA 0 /* element used for user quotas */
#define GRPQUOTA 1 /* element used for group quotas */
+#ifdef CONFIG_PROJECT_ID
+#define PRJQUOTA 2 /* element used for project quotas */
+#endif
+
/*
* Definitions for the default names of the quotas files.
*/
#define INITQFNAMES { \
"user", /* USRQUOTA */ \
"group", /* GRPQUOTA */ \
+ "project", /* RPJQUOTA */ \
"undefined", \
};
--
1.6.6.1
--
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