From: Ben Gras <ben@minix3.org>
Date: Wed, 23 Jun 2010 23:46:10 +0000 (+0000)
Subject: includes: statvfs support, contributed by Buccapatnam Tirumala, Gautam
X-Git-Tag: v3.1.8~377
X-Git-Url: http://zhaoyanbai.com/repos/man.nsupdate.html?a=commitdiff_plain;h=79d62892adee7627dc6e58cb5240b0d1068c19f9;p=minix.git

includes: statvfs support, contributed by Buccapatnam Tirumala, Gautam
---

diff --git a/include/minix/types.h b/include/minix/types.h
index dd325d662..e130467ee 100644
--- a/include/minix/types.h
+++ b/include/minix/types.h
@@ -100,6 +100,8 @@ typedef short        nlink_t;	   /* number of links to a file */
 typedef long	       off_t;	   /* offset within a file */
 typedef int            pid_t;	   /* process id (must be signed) */
 typedef short          uid_t;	   /* user id */
+typedef unsigned long  fsblkcnt_t; /* File system block count */
+typedef unsigned long  fsfilcnt_t; /* File system file count */
 
 /* Signal handler type, e.g. SIG_IGN */
 typedef void _PROTOTYPE( (*sighandler_t), (int) );
diff --git a/include/sys/Makefile b/include/sys/Makefile
index e6c948ca3..d06942eaa 100644
--- a/include/sys/Makefile
+++ b/include/sys/Makefile
@@ -7,8 +7,8 @@ INCS=	asynchio.h dir.h file.h ioc_cmos.h ioc_disk.h \
 	ioctl.h ioc_tty.h ipc.h jmp_buf.h kbdio.h mman.h \
 	mount.h mtio.h param.h ptrace.h queue.h resource.h \
 	select.h sem.h shm.h sigcontext.h signal.h socket.h \
-	soundcard.h statfs.h stat.h svrctl.h timeb.h \
+	soundcard.h statfs.h statvfs.h stat.h svrctl.h timeb.h \
 	time.h times.h types.h ucontext.h uio.h un.h utsname.h video.h vm.h \
-	wait.h cdefs.h
+	wait.h cdefs.h 
 
 .include <minix.kinc.mk>
diff --git a/include/sys/statvfs.h b/include/sys/statvfs.h
new file mode 100644
index 000000000..79eee2932
--- /dev/null
+++ b/include/sys/statvfs.h
@@ -0,0 +1,35 @@
+/* Statvfs implementation corresponding to:
+ * http://www.opengroup.org/onlinepubs/009695399/basedefs/sys/statvfs.h.html
+ */
+
+#ifndef _STATVFS_H
+#define _STATVFS_H
+
+#include <minix/types.h>
+
+
+struct statvfs {
+	unsigned long f_bsize;  /* File system block size. */
+	unsigned long f_frsize; /* Fundamental file system block size. */
+	fsblkcnt_t    f_blocks; /* Total number of blocks on file system */
+			     /* in units of f_frsize. */
+	fsblkcnt_t    f_bfree;  /* Total number of free blocks. */
+	fsblkcnt_t    f_bavail; /* Number of free blocks available to */
+	                        /* non-privileged process. */
+	fsfilcnt_t    f_files;  /* Total number of file serial numbers. */
+	fsfilcnt_t    f_ffree;  /* Total number of free file serial numbers. */
+	fsfilcnt_t    f_favail; /* Number of file serial numbers available */
+	                             /* to non-privileged process. */
+	unsigned long f_fsid;        /* File system ID. */
+	unsigned long f_flag;        /* Bit mask of f_flag values. */
+	unsigned long f_namemax;     /* Maximum filename length. */
+	unsigned char __padding[32]; /* Padding for future compatibility */
+};
+
+_PROTOTYPE( int fstatvfs, (int fd, struct statvfs *st)		    );
+_PROTOTYPE( int statvfs,  (const char *path, struct statvfs *st));
+
+/* Possible values for statvfs->f_flag */
+#define ST_RDONLY 0x1
+#define ST_NOSUID 0x2
+#endif /* _STAVTFS_H */