From: Helge Deller <deller@gmx.de>
To: qemu-devel@nongnu.org, Riku Voipio <riku.voipio@iki.fi>
Cc: Laurent Vivier <laurent@vivier.eu>, Richard Henderson <rth@twiddle.net>
Subject: [Qemu-devel] [PATCH v2] linux-user: Add FICLONE and FICLONERANGE ioctls
Date: Sat, 11 Feb 2017 23:26:02 +0100 [thread overview]
Message-ID: <20170211222602.GA6399@ls3530.fritz.box> (raw)
Add missing FICLONE and FICLONERANGE ioctls.
Changes to v1:
- Added STRUCT_file_clone_range as suggested by Laurent Vivier
Signed-off-by: Helge Deller <deller@gmx.de>
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 */
next reply other threads:[~2017-02-11 22:26 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-11 22:26 Helge Deller [this message]
2017-02-12 16:55 ` [Qemu-devel] [PATCH v2] linux-user: Add FICLONE and FICLONERANGE ioctls Laurent Vivier
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