summaryrefslogtreecommitdiffstats
path: root/fs/quota/quotaio_v1.h
diff options
context:
space:
mode:
Diffstat (limited to 'fs/quota/quotaio_v1.h')
-rw-r--r--fs/quota/quotaio_v1.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/fs/quota/quotaio_v1.h b/fs/quota/quotaio_v1.h
new file mode 100644
index 000000000..31dca9a89
--- /dev/null
+++ b/fs/quota/quotaio_v1.h
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_QUOTAIO_V1_H
+#define _LINUX_QUOTAIO_V1_H
+
+#include <linux/types.h>
+
+/*
+ * The following constants define the amount of time given a user
+ * before the soft limits are treated as hard limits (usually resulting
+ * in an allocation failure). The timer is started when the user crosses
+ * their soft limit, it is reset when they go below their soft limit.
+ */
+#define MAX_IQ_TIME 604800 /* (7*24*60*60) 1 week */
+#define MAX_DQ_TIME 604800 /* (7*24*60*60) 1 week */
+
+/*
+ * The following structure defines the format of the disk quota file
+ * (as it appears on disk) - the file is an array of these structures
+ * indexed by user or group number.
+ */
+struct v1_disk_dqblk {
+ __u32 dqb_bhardlimit; /* absolute limit on disk blks alloc */
+ __u32 dqb_bsoftlimit; /* preferred limit on disk blks */
+ __u32 dqb_curblocks; /* current block count */
+ __u32 dqb_ihardlimit; /* absolute limit on allocated inodes */
+ __u32 dqb_isoftlimit; /* preferred inode limit */
+ __u32 dqb_curinodes; /* current # allocated inodes */
+
+ /* below fields differ in length on 32-bit vs 64-bit architectures */
+ unsigned long dqb_btime; /* time limit for excessive disk use */
+ unsigned long dqb_itime; /* time limit for excessive inode use */
+};
+
+#define v1_dqoff(UID) ((loff_t)((UID) * sizeof (struct v1_disk_dqblk)))
+
+#endif /* _LINUX_QUOTAIO_V1_H */