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authorDenis Vlasenko2006-12-26 01:25:48 +0000
committerDenis Vlasenko2006-12-26 01:25:48 +0000
commit64c54025842f205ad722675105b88044a5b6845a (patch)
tree9b5361a46d9174b8c4c12947b006acbca33dc24c /e2fsprogs/ext2fs/flushb.c
parentd63c3a032ade4d7a1953031d787eed044811b78c (diff)
downloadbusybox-64c54025842f205ad722675105b88044a5b6845a.zip
busybox-64c54025842f205ad722675105b88044a5b6845a.tar.gz
remove e2fsprogs. Nobody volunteered to clean up that mess
Diffstat (limited to 'e2fsprogs/ext2fs/flushb.c')
-rw-r--r--e2fsprogs/ext2fs/flushb.c83
1 files changed, 0 insertions, 83 deletions
diff --git a/e2fsprogs/ext2fs/flushb.c b/e2fsprogs/ext2fs/flushb.c
deleted file mode 100644
index e429826..0000000
--- a/e2fsprogs/ext2fs/flushb.c
+++ /dev/null
@@ -1,83 +0,0 @@
-/* vi: set sw=4 ts=4: */
-/*
- * flushb.c --- Hides system-dependent information for both syncing a
- * device to disk and to flush any buffers from disk cache.
- *
- * Copyright (C) 2000 Theodore Ts'o.
- *
- * %Begin-Header%
- * This file may be redistributed under the terms of the GNU Public
- * License.
- * %End-Header%
- */
-
-#include <stdio.h>
-#if HAVE_ERRNO_H
-#include <errno.h>
-#endif
-#if HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#if HAVE_SYS_IOCTL_H
-#include <sys/ioctl.h>
-#endif
-#if HAVE_SYS_MOUNT_H
-#include <sys/param.h>
-#include <sys/mount.h> /* This may define BLKFLSBUF */
-#endif
-
-#include "ext2_fs.h"
-#include "ext2fs.h"
-
-/*
- * For Linux, define BLKFLSBUF and FDFLUSH if necessary, since
- * not all portable header file does so for us. This really should be
- * fixed in the glibc header files. (Recent glibcs appear to define
- * BLKFLSBUF in sys/mount.h, but FDFLUSH still doesn't seem to be
- * defined anywhere portable.) Until then....
- */
-#ifdef __linux__
-#ifndef BLKFLSBUF
-#define BLKFLSBUF _IO(0x12,97) /* flush buffer cache */
-#endif
-#ifndef FDFLUSH
-#define FDFLUSH _IO(2,0x4b) /* flush floppy disk */
-#endif
-#endif
-
-/*
- * This function will sync a device/file, and optionally attempt to
- * flush the buffer cache. The latter is basically only useful for
- * system benchmarks and for torturing systems in burn-in tests. :)
- */
-errcode_t ext2fs_sync_device(int fd, int flushb)
-{
- /*
- * We always sync the device in case we're running on old
- * kernels for which we can lose data if we don't. (There
- * still is a race condition for those kernels, but this
- * reduces it greatly.)
- */
- if (fsync (fd) == -1)
- return errno;
-
- if (flushb) {
-
-#ifdef BLKFLSBUF
- if (ioctl (fd, BLKFLSBUF, 0) == 0)
- return 0;
-#else
-#ifdef __GNUC__
-# warning BLKFLSBUF not defined
-#endif /* __GNUC__ */
-#endif
-#ifdef FDFLUSH
- ioctl (fd, FDFLUSH, 0); /* In case this is a floppy */
-#else
-#ifdef __GNUC__
-# warning FDFLUSH not defined
-#endif /* __GNUC__ */
-#endif
- }
- return 0;
-}