Commit ab22b4dd authored by Yunqiang Su's avatar Yunqiang Su Committed by Laurent Vivier
Browse files

linux-user: Add support for FDFLUSH ioctl 



FDFLUSH is used for flushing buffers of floppy drives. Support in
QEMU is needed because some of Debian packages use this ioctl while
running post-build tests. One such example is 'tar' package.

Signed-off-by: default avatarYunqiang Su <ysu@wavecomp.com>
Signed-off-by: default avatarAleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: default avatarLaurent Vivier <laurent@vivier.eu>
Message-Id: <1567601968-26946-5-git-send-email-aleksandar.markovic@rt-rk.com>
Signed-off-by: default avatarLaurent Vivier <laurent@vivier.eu>
parent 4e4b173f

linux-user/ioctls.h

+2 −0
Original line number Diff line number Diff line
@@ -112,6 +112,8 @@ 
     IOCTL(BLKZEROOUT, IOC_W, MK_PTR(MK_ARRAY(TYPE_ULONGLONG, 2)))

#endif



     IOCTL(FDFLUSH, 0, TYPE_NULL)



#ifdef FIBMAP

     IOCTL(FIBMAP, IOC_W | IOC_R, MK_PTR(TYPE_LONG))

#endif

linux-user/syscall.c

+1 −0
Original line number Diff line number Diff line
@@ -89,6 +89,7 @@ 
#include <linux/kd.h>

#include <linux/mtio.h>

#include <linux/fs.h>

#include <linux/fd.h>

#if defined(CONFIG_FIEMAP)

#include <linux/fiemap.h>

#endif

linux-user/syscall_defs.h

+4 −0
Original line number Diff line number Diff line
@@ -888,6 +888,10 @@ struct target_pollfd { 
#define TARGET_BLKROTATIONAL TARGET_IO(0x12, 126)

#define TARGET_BLKZEROOUT TARGET_IO(0x12, 127)



/* From <linux/fd.h> */



#define TARGET_FDFLUSH        TARGET_IO(2, 0x4b)



#define TARGET_FIBMAP     TARGET_IO(0x00,1)  /* bmap access */

#define TARGET_FIGETBSZ   TARGET_IO(0x00,2)  /* get the block size used for bmap */