From: Jeff Mahoney <je...@suse.com>
* file_ioctl.c: Add it.
* ioctl.c: Add special handling for 'f' code ioctls.
---
file_ioctl.c | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
ioctl.c | 11 +++++++++-
2 files changed, 78 insertions(+), 1 deletion(-)
diff --git a/file_ioctl.c b/file_ioctl.c
index 3a735dc..c803576 100644
--- a/file_ioctl.c
+++ b/file_ioctl.c
@@ -28,6 +28,11 @@
#include "defs.h"
#include <sys/ioctl.h>
#include <linux/fs.h>
+#include <linux/fiemap.h>
+
+#include "xlat/fiemap_flags.h"
+#include "xlat/fiemap_extent_flags.h"
+
#ifndef FICLONE
#define FICLONE _IOW(0x94, 9, int)
#endif
@@ -154,6 +159,69 @@ file_ioctl(struct tcb *tcp, const unsigned int code, const
long arg)
break;
}
+ case FS_IOC_FIEMAP: {
+ struct fiemap args;
+ struct fiemap_extent fe;
+ unsigned int i;
+
+ if (entering(tcp))
+ tprints(", ");
+ else if (syserror(tcp))
+ break;
+ else
+ tprints(" => ");
+
+ if (umove_or_printaddr(tcp, arg, &args))
+ break;
+
+ if (entering(tcp)) {
+ tprintf("{fm_start=%" PRI__u64 ", "
+ "fm_length=%" PRI__u64 ", "
+ "fm_flags=",
+ args.fm_start, args.fm_length);
+ printflags64(fiemap_flags, args.fm_flags,
+ "FIEMAP_FLAG_???");
+ tprintf(", fm_extent_count=%u}", args.fm_extent_count);
+ return 0;
+ }
+
+ tprints("{fm_flags=");
+ printflags64(fiemap_flags, args.fm_flags,
+ "FIEMAP_FLAG_???");
+ tprintf(", fm_mapped_extents=%u",
+ args.fm_mapped_extents);
+ tprints(", fm_extents=");
+ if (abbrev(tcp)) {
+ tprints("...}");
+ break;
+ }
+
+ tprints("[");
+ for (i = 0; i < args.fm_mapped_extents; i++) {
+ unsigned long offset;
+ offset = offsetof(typeof(args), fm_extents[i]);
+ if (i)
+ tprints(", ");
+
+ if (i > max_strlen ||
+ umoven(tcp, arg + offset, sizeof(fe), &fe)) {
+ tprints("...");
+ break;
+ }
+
+ tprintf("{fe_logical=%" PRI__u64
+ ", fe_physical=%" PRI__u64
+ ", fe_length=%" PRI__u64 ", ",
+ fe.fe_logical, fe.fe_physical, fe.fe_length);
+
+ printflags64(fiemap_extent_flags, fe.fe_flags,
+ "FIEMAP_EXTENT_???");
+ tprints("}");
+ }
+ tprints("]}");
+ break;
+ }
+
default:
return RVAL_DECODED;
};
diff --git a/ioctl.c b/ioctl.c
index d82af4b..f6ca2f0 100644
--- a/ioctl.c
+++ b/ioctl.c
@@ -228,11 +228,20 @@ ioctl_decode(struct tcb *tcp)
{
const unsigned int code = tcp->u_arg[1];
const long arg = tcp->u_arg[2];
+ int ret;
switch (_IOC_TYPE(code)) {
#if defined(ALPHA) || defined(POWERPC)
- case 'f': case 't': case 'T':
+ case 'f':
+ ret = file_ioctl(tcp, code, arg);
+ if (ret != RVAL_DECODED)
+ return ret;
+ case 't'
+ case 'T':
+ return term_ioctl(tcp, code, arg);
#else /* !ALPHA */
+ case 'f':
+ return file_ioctl(tcp, code, arg);
case 0x54:
#endif /* !ALPHA */
return term_ioctl(tcp, code, arg);
--
1.8.5.6
------------------------------------------------------------------------------
Mobile security can be enabling, not merely restricting. Employees who
bring their own devices (BYOD) to work are irked by the imposition of MDM
restrictions. Mobile Device Manager Plus allows you to control only the
apps on BYO-devices by containerizing them, leaving personal data untouched!
https://ad.doubleclick.net/ddm/clk/304595813;131938128;j
_______________________________________________
Strace-devel mailing list
Strace-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/strace-devel
