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[Qemu-devel] [PATCH v2] linux-user: Add FICLONE and FICLONERANGE ioctls
From: |
Helge Deller |
Subject: |
[Qemu-devel] [PATCH v2] linux-user: Add FICLONE and FICLONERANGE ioctls |
Date: |
Sat, 11 Feb 2017 23:26:02 +0100 |
User-agent: |
Mutt/1.7.1 (2016-10-04) |
Add missing FICLONE and FICLONERANGE ioctls.
Changes to v1:
- Added STRUCT_file_clone_range as suggested by Laurent Vivier
Signed-off-by: Helge Deller <address@hidden>
diff --git a/linux-user/ioctls.h b/linux-user/ioctls.h
index 2f6e85b..e6997ff 100644
--- a/linux-user/ioctls.h
+++ b/linux-user/ioctls.h
@@ -112,6 +112,11 @@
#ifdef FIBMAP
IOCTL(FIBMAP, IOC_W | IOC_R, MK_PTR(TYPE_LONG))
#endif
+#ifdef FICLONE
+ IOCTL(FICLONE, IOC_W, TYPE_INT)
+ IOCTL(FICLONERANGE, IOC_W, MK_PTR(MK_STRUCT(STRUCT_file_clone_range)))
+#endif
+
#ifdef FIGETBSZ
IOCTL(FIGETBSZ, IOC_R, MK_PTR(TYPE_LONG))
#endif
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index 4442c22..72ca5b1 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -1086,6 +1086,10 @@ struct target_pollfd {
#define TARGET_FIBMAP TARGET_IO(0x00,1) /* bmap access */
#define TARGET_FIGETBSZ TARGET_IO(0x00,2) /* get the block size used for
bmap */
+
+#define TARGET_FICLONE TARGET_IOW(0x94, 9, int)
+#define TARGET_FICLONERANGE TARGET_IOW(0x94, 13, struct file_clone_range)
+
/* Note that the ioctl numbers claim type "long" but the actual type
* used by the kernel is "int".
*/
diff --git a/linux-user/syscall_types.h b/linux-user/syscall_types.h
index 2b8c0c6..24631b0 100644
--- a/linux-user/syscall_types.h
+++ b/linux-user/syscall_types.h
@@ -232,6 +232,12 @@ STRUCT(dm_target_versions,
STRUCT(dm_target_msg,
TYPE_ULONGLONG) /* sector */
+STRUCT(file_clone_range,
+ TYPE_LONGLONG, /* src_fd */
+ TYPE_ULONGLONG, /* src_offset */
+ TYPE_ULONGLONG, /* src_length */
+ TYPE_ULONGLONG) /* dest_offset */
+
STRUCT(fiemap_extent,
TYPE_ULONGLONG, /* fe_logical */
TYPE_ULONGLONG, /* fe_physical */
- [Qemu-devel] [PATCH v2] linux-user: Add FICLONE and FICLONERANGE ioctls,
Helge Deller <=