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fsx: check for filesystem support of FALLOCATE_FL_KEEP_SIZE

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The NFS implementation of fallocate() does not support passing the
KEEP_SIZE flag by itself, causing tests to randomly fail.

Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Anna Schumaker
2015-02-12 14:14:20 +11:00
committed by Dave Chinner
parent 5e8b9e64ec
commit 3de543f791
1 changed files with 13 additions and 5 deletions
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ltp/fsx.c
+13 -5
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@@ -142,6 +142,7 @@ int randomoplen = 1; /* -O flag disables it */
int seed = 1; /* -S flag */
int mapped_writes = 1; /* -W flag disables */
int fallocate_calls = 1; /* -F flag disables */
int keep_size_calls = 1; /* -K flag disables */
int punch_hole_calls = 1; /* -H flag disables */
int zero_range_calls = 1; /* -z flag disables */
int collapse_range_calls = 1; /* -C flag disables */
@@ -907,7 +908,7 @@ do_zero_range(unsigned offset, unsigned length)
{
unsigned end_offset;
int mode = FALLOC_FL_ZERO_RANGE;
int keep_size;
int keep_size = 0;
if (length == 0) {
if (!quiet && testcalls > simulatedopcount)
@@ -916,7 +917,8 @@ do_zero_range(unsigned offset, unsigned length)
return;
}
keep_size = random() % 2;
if (keep_size_calls)
keep_size = random() % 2;
end_offset = keep_size ? 0 : offset + length;
@@ -1018,7 +1020,7 @@ void
do_preallocate(unsigned offset, unsigned length)
{
unsigned end_offset;
int keep_size;
int keep_size = 0;
if (length == 0) {
if (!quiet && testcalls > simulatedopcount)
@@ -1027,7 +1029,8 @@ do_preallocate(unsigned offset, unsigned length)
return;
}
keep_size = random() % 2;
if (keep_size_calls)
keep_size = random() % 2;
end_offset = keep_size ? 0 : offset + length;
@@ -1493,7 +1496,7 @@ main(int argc, char **argv)
setvbuf(stdout, (char *)0, _IOLBF, 0); /* line buffered stdout */
while ((ch = getopt(argc, argv, "b:c:dfl:m:no:p:qr:s:t:w:xyAD:FHzCLN:OP:RS:WZ"))
while ((ch = getopt(argc, argv, "b:c:dfl:m:no:p:qr:s:t:w:xyAD:FKHzCLN:OP:RS:WZ"))
!= EOF)
switch (ch) {
case 'b':
@@ -1590,6 +1593,9 @@ main(int argc, char **argv)
case 'F':
fallocate_calls = 0;
break;
case 'K':
keep_size_calls = 0;
break;
case 'H':
punch_hole_calls = 0;
break;
@@ -1751,6 +1757,8 @@ main(int argc, char **argv)
if (fallocate_calls)
fallocate_calls = test_fallocate(0);
if (keep_size_calls)
keep_size_calls = test_fallocate(FALLOC_FL_KEEP_SIZE);
if (punch_hole_calls)
punch_hole_calls = test_fallocate(FALLOC_FL_PUNCH_HOLE |
FALLOC_FL_KEEP_SIZE);