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-rw-r--r--include/linux/syscalls.h7
-rw-r--r--include/uapi/asm-generic/unistd.h8
-rw-r--r--include/uapi/linux/fs.h18
3 files changed, 32 insertions, 1 deletions
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index e5603cc91963..77f45e5d4413 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -78,6 +78,7 @@ struct cachestat;
struct statmount;
struct mnt_id_req;
struct xattr_args;
+struct file_attr;
#include <linux/types.h>
#include <linux/aio_abi.h>
@@ -371,6 +372,12 @@ asmlinkage long sys_removexattrat(int dfd, const char __user *path,
asmlinkage long sys_lremovexattr(const char __user *path,
const char __user *name);
asmlinkage long sys_fremovexattr(int fd, const char __user *name);
+asmlinkage long sys_file_getattr(int dfd, const char __user *filename,
+ struct file_attr __user *attr, size_t usize,
+ unsigned int at_flags);
+asmlinkage long sys_file_setattr(int dfd, const char __user *filename,
+ struct file_attr __user *attr, size_t usize,
+ unsigned int at_flags);
asmlinkage long sys_getcwd(char __user *buf, unsigned long size);
asmlinkage long sys_eventfd2(unsigned int count, int flags);
asmlinkage long sys_epoll_create1(int flags);
diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h
index 2892a45023af..04e0077fb4c9 100644
--- a/include/uapi/asm-generic/unistd.h
+++ b/include/uapi/asm-generic/unistd.h
@@ -852,8 +852,14 @@ __SYSCALL(__NR_removexattrat, sys_removexattrat)
#define __NR_open_tree_attr 467
__SYSCALL(__NR_open_tree_attr, sys_open_tree_attr)
+/* fs/inode.c */
+#define __NR_file_getattr 468
+__SYSCALL(__NR_file_getattr, sys_file_getattr)
+#define __NR_file_setattr 469
+__SYSCALL(__NR_file_setattr, sys_file_setattr)
+
#undef __NR_syscalls
-#define __NR_syscalls 468
+#define __NR_syscalls 470
/*
* 32 bit systems traditionally used different
diff --git a/include/uapi/linux/fs.h b/include/uapi/linux/fs.h
index 0098b0ce8ccb..9663dbdda181 100644
--- a/include/uapi/linux/fs.h
+++ b/include/uapi/linux/fs.h
@@ -149,6 +149,24 @@ struct fsxattr {
};
/*
+ * Variable size structure for file_[sg]et_attr().
+ *
+ * Note. This is alternative to the structure 'struct fileattr'/'struct fsxattr'.
+ * As this structure is passed to/from userspace with its size, this can
+ * be versioned based on the size.
+ */
+struct file_attr {
+ __u64 fa_xflags; /* xflags field value (get/set) */
+ __u32 fa_extsize; /* extsize field value (get/set)*/
+ __u32 fa_nextents; /* nextents field value (get) */
+ __u32 fa_projid; /* project identifier (get/set) */
+ __u32 fa_cowextsize; /* CoW extsize field value (get/set) */
+};
+
+#define FILE_ATTR_SIZE_VER0 24
+#define FILE_ATTR_SIZE_LATEST FILE_ATTR_SIZE_VER0
+
+/*
* Flags for the fsx_xflags field
*/
#define FS_XFLAG_REALTIME 0x00000001 /* data in realtime volume */