* [PATCH] fsx: fix bug where zero range operations never use the keep size flag
@ 2020-03-06 12:35 fdmanana
2020-03-06 14:53 ` Josef Bacik
0 siblings, 1 reply; 2+ messages in thread
From: fdmanana @ 2020-03-06 12:35 UTC (permalink / raw)
To: fstests; +Cc: linux-btrfs, Filipe Manana
From: Filipe Manana <fdmanana@suse.com>
We are never using the FALLOC_FL_KEEP_SIZE flag for zero range operations
even when we intend to use it. So fix it by setting that flag for the
call to fallocate(2) if the 'keep_size' parameter is true.
Signed-off-by: Filipe Manana <fdmanana@suse.com>
---
ltp/fsx.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/ltp/fsx.c b/ltp/fsx.c
index 06d08e4e..7f7b7a87 100644
--- a/ltp/fsx.c
+++ b/ltp/fsx.c
@@ -1199,6 +1199,9 @@ do_zero_range(unsigned offset, unsigned length, int keep_size)
unsigned end_offset;
int mode = FALLOC_FL_ZERO_RANGE;
+ if (keep_size)
+ mode |= FALLOC_FL_KEEP_SIZE;
+
if (length == 0) {
if (!quiet && testcalls > simulatedopcount)
prt("skipping zero length zero range\n");
--
2.11.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] fsx: fix bug where zero range operations never use the keep size flag
2020-03-06 12:35 [PATCH] fsx: fix bug where zero range operations never use the keep size flag fdmanana
@ 2020-03-06 14:53 ` Josef Bacik
0 siblings, 0 replies; 2+ messages in thread
From: Josef Bacik @ 2020-03-06 14:53 UTC (permalink / raw)
To: fdmanana, fstests; +Cc: linux-btrfs, Filipe Manana
On 3/6/20 7:35 AM, fdmanana@kernel.org wrote:
> From: Filipe Manana <fdmanana@suse.com>
>
> We are never using the FALLOC_FL_KEEP_SIZE flag for zero range operations
> even when we intend to use it. So fix it by setting that flag for the
> call to fallocate(2) if the 'keep_size' parameter is true.
>
> Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Thanks,
Josef
^ permalink raw reply [flat|nested] 2+ messages in thread
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2020-03-06 12:35 [PATCH] fsx: fix bug where zero range operations never use the keep size flag fdmanana
2020-03-06 14:53 ` Josef Bacik
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