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Date: Fri, 1 Mar 2019 23:05:38 +0900
From: Wang Shilong <wangshilong1991@...il.com>
To: linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org,
linux-xfs@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net
Cc: lixi@....com, adilger@...ger.ca, Wang Shilong <wshilong@....com>
Subject: [PATCH 5/8] fs: add project support to statx
From: Wang Shilong <wshilong@....com>
From: Wang Shilong <wshilong@....com>
Extend statx to support project ID and inherit attribute.
Signed-off-by: Wang Shilong <wshilong@....com>
---
fs/stat.c | 1 +
include/linux/stat.h | 2 ++
include/uapi/linux/stat.h | 8 ++++++--
tools/include/uapi/linux/stat.h | 8 ++++++--
4 files changed, 15 insertions(+), 4 deletions(-)
diff --git a/fs/stat.c b/fs/stat.c
index adbfcd86c81b..82d855c4647c 100644
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -551,6 +551,7 @@ cp_statx(const struct kstat *stat, struct statx __user *buffer)
tmp.stx_rdev_minor = MINOR(stat->rdev);
tmp.stx_dev_major = MAJOR(stat->dev);
tmp.stx_dev_minor = MINOR(stat->dev);
+ tmp.stx_projid = (u32)from_kprojid(&init_user_ns, stat->projid);
return copy_to_user(buffer, &tmp, sizeof(tmp)) ? -EFAULT : 0;
}
diff --git a/include/linux/stat.h b/include/linux/stat.h
index 765573dc17d6..72c9d2ab5343 100644
--- a/include/linux/stat.h
+++ b/include/linux/stat.h
@@ -18,6 +18,7 @@
#include <linux/types.h>
#include <linux/time.h>
#include <linux/uidgid.h>
+#include <linux/projid.h>
#define KSTAT_QUERY_FLAGS (AT_STATX_SYNC_TYPE)
@@ -40,6 +41,7 @@ struct kstat {
dev_t rdev;
kuid_t uid;
kgid_t gid;
+ kprojid_t projid;
loff_t size;
struct timespec64 atime;
struct timespec64 mtime;
diff --git a/include/uapi/linux/stat.h b/include/uapi/linux/stat.h
index 7b35e98d3c58..56d35a2cbd0c 100644
--- a/include/uapi/linux/stat.h
+++ b/include/uapi/linux/stat.h
@@ -123,7 +123,9 @@ struct statx {
__u32 stx_dev_major; /* ID of device containing file [uncond] */
__u32 stx_dev_minor;
/* 0x90 */
- __u64 __spare2[14]; /* Spare space for future expansion */
+ __u32 stx_projid; /* Project ID of file */
+ __u32 __spare1[1];
+ __u64 __spare2[13]; /* Spare space for future expansion */
/* 0x100 */
};
@@ -148,7 +150,8 @@ struct statx {
#define STATX_BLOCKS 0x00000400U /* Want/got stx_blocks */
#define STATX_BASIC_STATS 0x000007ffU /* The stuff in the normal stat struct */
#define STATX_BTIME 0x00000800U /* Want/got stx_btime */
-#define STATX_ALL 0x00000fffU /* All currently supported flags */
+#define STATX_PROJID 0x00001000U /* Want/Got stx_projid */
+#define STATX_ALL 0x00001fffU /* All currently supported flags */
#define STATX__RESERVED 0x80000000U /* Reserved for future struct statx expansion */
/*
@@ -170,5 +173,6 @@ struct statx {
#define STATX_ATTR_AUTOMOUNT 0x00001000 /* Dir: Automount trigger */
+#define STATX_ATTR_PROJINHERIT 0x00002000 /* [I] File project inherit is set */
#endif /* _UAPI_LINUX_STAT_H */
diff --git a/tools/include/uapi/linux/stat.h b/tools/include/uapi/linux/stat.h
index 7b35e98d3c58..21b542b3b061 100644
--- a/tools/include/uapi/linux/stat.h
+++ b/tools/include/uapi/linux/stat.h
@@ -123,7 +123,9 @@ struct statx {
__u32 stx_dev_major; /* ID of device containing file [uncond] */
__u32 stx_dev_minor;
/* 0x90 */
- __u64 __spare2[14]; /* Spare space for future expansion */
+ __u32 stx_projid; /* Project ID of file */
+ __u32 __spare1[1];
+ __u64 __spare2[13]; /* Spare space for future expansion */
/* 0x100 */
};
@@ -148,7 +150,8 @@ struct statx {
#define STATX_BLOCKS 0x00000400U /* Want/got stx_blocks */
#define STATX_BASIC_STATS 0x000007ffU /* The stuff in the normal stat struct */
#define STATX_BTIME 0x00000800U /* Want/got stx_btime */
-#define STATX_ALL 0x00000fffU /* All currently supported flags */
+#define STATX_PROJID 0x00001000U /* Want/Got stx_projid */
+#define STATX_ALL 0x00001fffU /* All currently supported flags */
#define STATX__RESERVED 0x80000000U /* Reserved for future struct statx expansion */
/*
@@ -170,5 +173,6 @@ struct statx {
#define STATX_ATTR_AUTOMOUNT 0x00001000 /* Dir: Automount trigger */
+#define STATX_ATTR_PROJINHERIT 0x00002000 /* [I] File project inherit is set */
#endif /* _UAPI_LINUX_STAT_H */
--
2.19.1
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