Add Steve's preallocation changes into local copy of the fstest source.

[xfstests-dev.git] / src / fstest.c

diff --git a/src/fstest.c b/src/fstest.c
index a0078bc5214dfc3e453ae429c4fa6e1f09538d12..18d5bf89c5aa9b1c6bcce599d4d8cd7269252bed 100644 (file)
--- a/src/fstest.c
+++ b/src/fstest.c
@@ -1,19 +1,13 @@
 /* Verification tool, designed to detect data corruption on a filesystem
 
    tridge@samba.org, March 2002
+   
+   XFS space preallocation changes -- lord@sgi.com, April 2003
  */
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <sys/stat.h>
-#include <sys/wait.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/mman.h>
 #include <dirent.h>
-#include <fcntl.h>
-#include <errno.h>
+#include <sys/mman.h>
+#include <sys/wait.h>
+#include <xfs/libxfs.h>
 
 /* variables settable on the command line */
 static int loop_count = 100;
@@ -22,6 +16,7 @@ static int file_size = 1024*1024;
 static int block_size = 1024;
 static char *base_dir = ".";
 static int use_mmap;
+static int do_prealloc;
 static int use_sync;
 static int do_frags = 1;
 
@@ -78,6 +73,8 @@ static void check_buffer(uchar *buf, int loop, int child, int fnum, int ofs)
                for (j=0;j<MIN(20, block_size-i);j++) {
                        printf("%02x ", buf[j+i]);
                }
+               for (j=i;buf[j] == buf2[j] && j<block_size;j++) ;
+               printf("Corruption length: %d\n", j - i);
                printf("\n");
                exit(1);
        }
@@ -101,6 +98,19 @@ static void create_file(const char *dir, int loop, int child, int fnum)
                perror(fname);
                exit(1);
        }
+
+       if (do_prealloc) {
+               xfs_flock64_t   resv;
+
+               resv.l_whence = 0;
+               resv.l_start = 0;
+               resv.l_len = file_size;
+
+               if ((xfsctl(fname, fd, XFS_IOC_RESVSP, &resv)) < 0) {
+                       perror(fname);
+                       exit(1);
+               }
+       }
                
        if (!use_mmap) {
                for (size=0; size<file_size; size += block_size * do_frags) {
@@ -248,6 +258,7 @@ static void usage(void)
 " -l loops              set loop count\n"
 " -m                    use mmap\n"
 " -S                    use synchronous IO\n"
+" -P                   preallocate space\n"
 " -h                    show this help message\n");
 }
 
@@ -260,7 +271,7 @@ int main(int argc, char *argv[])
        int num_children = 1;
        int i, status, ret;
 
-       while ((c = getopt(argc, argv, "Fn:s:f:p:l:b:Shm")) != -1) {
+       while ((c = getopt(argc, argv, "FPn:s:f:p:l:b:Shm")) != -1) {
                switch (c) {
                case 'F':
                        do_frags = 2;
@@ -283,6 +294,9 @@ int main(int argc, char *argv[])
                case 'm':
                        use_mmap = 1;
                        break;
+               case 'P':
+                       do_prealloc = 1;
+                       break;
                case 'S':
                        use_sync = 1;
                        break;