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xfstests: randholes: encapsulate realtime setup code

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Encapsulate the code that sets up the use of files on the realtime
volume.  Using realtime implies direct I/O; move the code that makes
that so into the argument parsing code.

Signed-off-by: Alex Elder <aelder@sgi.com>
Acked-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Alex Elder
2010-10-14 14:50:43 +00:00
parent 4099869db4
commit d2c56a9fb9
1 changed files with 30 additions and 25 deletions
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src/randholes.c
+30 -25
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@@ -43,7 +43,6 @@ int preserve;
int test;
__uint64_t fileoffset;
struct fsxattr rtattr;
#define READ_XFER 10 /* block to read at a time when checking */
@@ -119,13 +118,11 @@ void
writeblks(char *fname, int fd, size_t alignment)
{
__uint64_t offset;
char *buffer;
char *buffer = NULL;
int block;
struct flock64 fl;
if (test)
buffer = NULL;
else {
if (!test) {
if (posix_memalign((void **) &buffer, alignment, blocksize)) {
perror("malloc");
exit(1);
@@ -307,6 +304,30 @@ get_alignment(char *filename, int fd)
return (size_t) dioattr.d_mem;
}
static int
realtime_setup(char *filename, int fd)
{
struct fsxattr rtattr;
(void) memset(&rtattr, 0, sizeof rtattr);
if (xfscntl(filename, fd, FSGETXATTR, &rtattr) < 0) {
perror("FSGETXATTR)");
return 1;
}
if ((rtattr.fsx_xflags & XFS_XFLAG_REALTIME) == 0 ||
(extsize && rtattr.fsx_extsize != extsize * blocksize)) {
rtattr.fsx_xflags |= XFS_XFLAG_REALTIME;
if (extsize)
rtattr.fsx_extsize = extsize * blocksize;
if (xfscntl(filename, fd, FSSETXATTR, &rtattr) < 0) {
perror("FSSETXATTR)");
return 1;
}
}
return 0;
}
int
main(int argc, char *argv[])
{
@@ -333,7 +354,7 @@ main(int argc, char *argv[])
case 'v': verbose++; break;
case 'w': wsync++; break;
case 'd': direct++; break;
case 'r': rt++; break;
case 'r': rt++; direct++; break;
case 'a': alloconly++; break;
case 'p': preserve++; break;
case 't': test++; preserve++; break;
@@ -371,7 +392,7 @@ main(int argc, char *argv[])
blocksize, (unsigned long long)filesize, seed,
count, (unsigned long long)fileoffset, extsize);
printf("randholes: verbose=%d, wsync=%d, direct=%d, rt=%d, alloconly=%d, preserve=%d, test=%d\n",
verbose, wsync, direct, rt, alloconly, preserve, test);
verbose, wsync, direct ? 1 : 0, rt, alloconly, preserve, test);
/*
* Open the file, write rand block in random places, read them all
@@ -382,8 +403,6 @@ main(int argc, char *argv[])
perror("malloc");
return 1;
}
if (rt)
direct++;
oflags=test?(O_RDONLY):(O_RDWR | O_CREAT);
oflags |= (preserve ? 0 : O_TRUNC) |
@@ -395,22 +414,8 @@ main(int argc, char *argv[])
return 1;
}
if (rt) {
if (xfscntl(filename, fd, FSGETXATTR, &rtattr) < 0) {
perror("xfsnctl(FSGETXATTR)");
return 1;
}
if ((rtattr.fsx_xflags & XFS_XFLAG_REALTIME) == 0 ||
(extsize && rtattr.fsx_extsize != extsize * blocksize)) {
rtattr.fsx_xflags |= XFS_XFLAG_REALTIME;
if (extsize)
rtattr.fsx_extsize = extsize * blocksize;
if (xfscntl(filename, fd, FSSETXATTR, &rtattr) < 0) {
perror("xfscntl(FSSETXATTR)");
return 1;
}
}
}
if (rt && realtime_setup(filename, fd))
return 1;
alignment = get_alignment(filename, fd);
if (! alignment)