#ifndef lint
static const char rcsid[] =
- "$Id: tape.c,v 1.39 2001/03/23 14:40:12 stelian Exp $";
+ "$Id: tape.c,v 1.45 2001/04/27 15:22:47 stelian Exp $";
#endif /* not lint */
#include <config.h>
+#include <compatlfs.h>
#include <errno.h>
#include <fcntl.h>
#include <setjmp.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <sys/wait.h>
+#include <sys/mtio.h>
#ifdef __linux__
#include <linux/ext2_fs.h>
#include <ext2fs/ext2fs.h>
/* received the SIGUSR2 signal from the prev slave? */
static sigjmp_buf jmpbuf; /* where to jump to if we are ready when the */
/* SIGUSR2 arrives from the previous slave */
+#ifdef USE_QFA
+static int gtperr = 0;
+#endif
int
alloctape(void)
xferrate += txfrate;
if (compressed) {
double rate = .0005 + (double) blocks / (double) volkb;
- msg("Volume %d %ldKB uncompressed, %ldkB compressed,"
+ msg("Volume %d %ldkB uncompressed, %ldkB compressed,"
" %1.3f:1\n",
tapeno, blocks, volkb, rate);
}
/ blockswritten * tapesize;
if (tnow > tstart_volume)
(void)snprintf(msgbuf, sizeof(msgbuf),
- "%3.2f%% done at %ld KB/s, finished in %d:%02d\n",
+ "%3.2f%% done at %ld kB/s, finished in %d:%02d\n",
(blockswritten * 100.0) / tapesize,
(spcl.c_tapea - tapea_volume) / (tnow - tstart_volume),
(int)(deltat / 3600), (int)((deltat % 3600) / 60));
#endif
{
(void) close(tapefd);
- while ((f = open(tape, 0)) < 0)
+ while ((f = OPEN(tape, 0)) < 0)
sleep (10);
(void) close(f);
}
#ifdef RDUMP
while ((tapefd = (host ? rmtopen(tape, 2) : pipeout ?
fileno(stdout) :
- open(tape, O_WRONLY|O_CREAT, 0666))) < 0)
+ OPEN(tape, O_WRONLY|O_CREAT, 0666))) < 0)
#else
while ((tapefd = (pipeout ? fileno(stdout) :
- open(tape, O_WRONLY|O_CREAT, 0666))) < 0)
+ OPEN(tape, O_RDWR|O_CREAT, 0666))) < 0)
#endif
{
msg("Cannot open output \"%s\".\n", tape);
doslave(cmd[0], i);
Exit(X_FINOK);
}
+ else
+ close(cmd[0]);
}
#ifdef LINUX_FORK_BUG
#ifdef __linux__
errcode_t retval;
#endif
+#ifdef USE_QFA
+ long curtapepos;
+ union u_spcl *uspclptr;
+ struct s_spcl *spclptr;
+#endif /* USE_QFA */
/*
* Need our own seek pointer.
*/
(void) close(diskfd);
- if ((diskfd = open(disk, O_RDONLY)) < 0)
+ if ((diskfd = OPEN(disk, O_RDONLY)) < 0)
quit("slave couldn't reopen disk: %s\n", strerror(errno));
#ifdef __linux__
ext2fs_close(fs);
if (compressed) {
comp_buf->length = bufsize;
worklen = TP_BSIZE + writesize;
+ compresult = Z_DATA_ERROR;
if (do_compress)
compresult = compress2(comp_buf->buf, &worklen,
(char *)slp->tblock[0], writesize, compressed);
ready = 0;
caught = 0;
+#ifdef USE_QFA
+ if (gTapeposfd >= 0) {
+ uspclptr = (union u_spcl *)&slp->tblock[0];
+ spclptr = &uspclptr->s_spcl;
+ if ((spclptr->c_magic == NFS_MAGIC) &&
+ (spclptr->c_type == TS_INODE)) {
+ /* if an error occured previously don't
+ * try again */
+ if (gtperr == 0) {
+ if ((gtperr = GetTapePos(&curtapepos)) == 0) {
+#ifdef DEBUG_QFA
+ msg("inode %ld at tapepos %ld\n", spclptr->c_inumber, curtapepos);
+#endif
+ sprintf(gTps, "%ld\t%d\t%ld\n", (unsigned long)spclptr->c_inumber, tapeno, curtapepos);
+ if (write(gTapeposfd, gTps, strlen(gTps)) != strlen(gTps)) {
+ warn("error writing tapepos file.\n");
+ }
+ }
+ }
+ }
+ }
+#endif /* USE_QFA */
+
while (eot_count < 10 && size < bufsize) {
#ifdef RDUMP
if (host)
} while (got == -1 && errno == EINTR);
return (got < 0 ? got : count - need);
}
+
+
+#ifdef USE_QFA
+/*
+ * read the current tape position
+ */
+int
+GetTapePos(long *pos)
+{
+ int err = 0;
+
+ *pos = 0;
+ if (ioctl(tapefd, MTIOCPOS, pos) == -1) {
+ err = errno;
+ msg("[%ld] error: %d (getting tapepos: %ld)\n", getpid(),
+ err, *pos);
+ return err;
+ }
+ return err;
+}
+#endif /* USE_QFA */