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 <[email protected]>
---
 ltp/fsx.c | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/ltp/fsx.c b/ltp/fsx.c
index 3709419..0bb8ae8 100644
--- a/ltp/fsx.c
+++ b/ltp/fsx.c
@@ -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);
-- 
2.2.2

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