PERFORCE change 104690 for review
Roman Divacky
rdivacky at FreeBSD.org
Mon Aug 21 14:18:55 UTC 2006
http://perforce.freebsd.org/chv.cgi?CH=104690
Change 104690 by rdivacky at rdivacky_witten on 2006/08/21 14:18:34
Add statfs64 syscall (untested).
Affected files ...
.. //depot/projects/soc2006/rdivacky_linuxolator/compat/linux/linux_stats.c#2 edit
.. //depot/projects/soc2006/rdivacky_linuxolator/i386/linux/linux_dummy.c#11 edit
Differences ...
==== //depot/projects/soc2006/rdivacky_linuxolator/compat/linux/linux_stats.c#2 (text+ko) ====
@@ -312,6 +312,19 @@
l_int f_spare[6];
};
+struct l_statfs64 {
+ l_int f_type;
+ l_int f_bsize;
+ uint64_t f_blocks;
+ uint64_t f_bfree;
+ uint64_t f_bavail;
+ uint64_t f_files;
+ uint64_t f_ffree;
+ l_fsid_t f_fsid;
+ l_int f_namelen;
+ l_int f_spare[6];
+};
+
#define LINUX_CODA_SUPER_MAGIC 0x73757245L
#define LINUX_EXT2_SUPER_MAGIC 0xEF53L
#define LINUX_HPFS_SUPER_MAGIC 0xf995e849L
@@ -387,6 +400,44 @@
return copyout(&linux_statfs, args->buf, sizeof(linux_statfs));
}
+static void
+bsd_to_linux_statfs64(struct statfs *bsd_statfs, struct l_statfs64 *linux_statfs)
+{
+
+ linux_statfs->f_type = bsd_to_linux_ftype(bsd_statfs->f_fstypename);
+ linux_statfs->f_bsize = bsd_statfs->f_bsize;
+ linux_statfs->f_blocks = bsd_statfs->f_blocks;
+ linux_statfs->f_bfree = bsd_statfs->f_bfree;
+ linux_statfs->f_bavail = bsd_statfs->f_bavail;
+ linux_statfs->f_ffree = bsd_statfs->f_ffree;
+ linux_statfs->f_files = bsd_statfs->f_files;
+ linux_statfs->f_fsid.val[0] = bsd_statfs->f_fsid.val[0];
+ linux_statfs->f_fsid.val[1] = bsd_statfs->f_fsid.val[1];
+ linux_statfs->f_namelen = MAXNAMLEN;
+}
+
+int
+linux_statfs64(struct thread *td, struct linux_statfs64_args *args)
+{
+ struct l_statfs64 linux_statfs;
+ struct statfs bsd_statfs;
+ char *path;
+ int error;
+
+ LCONVPATHEXIST(td, args->path, &path);
+
+#ifdef DEBUG
+ if (ldebug(statfs))
+ printf(ARGS(statfs, "%s, *"), path);
+#endif
+ error = kern_statfs(td, path, UIO_SYSSPACE, &bsd_statfs);
+ LFREEPATH(path);
+ if (error)
+ return (error);
+ bsd_to_linux_statfs64(&bsd_statfs, &linux_statfs);
+ return copyout(&linux_statfs, args->buf, sizeof(linux_statfs));
+}
+
int
linux_fstatfs(struct thread *td, struct linux_fstatfs_args *args)
{
==== //depot/projects/soc2006/rdivacky_linuxolator/i386/linux/linux_dummy.c#11 (text+ko) ====
@@ -73,7 +73,6 @@
DUMMY(epoll_ctl);
DUMMY(epoll_wait);
DUMMY(remap_file_pages);
-DUMMY(statfs64);
DUMMY(fstatfs64);
DUMMY(utimes);
DUMMY(fadvise64_64);
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