[LTP] [PATCH] fallocate05: Allow ENXIO error from lseek(SEEK_DATA) on empty file

[Avinesh Kumar]

Hi,

On Tuesday, September 24, 2024 6:00:27 PM GMT+2 Martin Doucha wrote:
> Some filesystems release deallocated blocks in larger chunks.
> On these filesystems, the whole test file needs to be deallocated
> to allow the final write to pass. However, lseek(SEEK_DATA) may
> return ENXIO error if the entire file range from offset to end of file
> is one large hole. Allow ENXIO error in this special case.
> 
> Signed-off-by: Martin Doucha <mdoucha@suse.cz>

Reviewed-by: Avinesh Kumar <akumar@suse.de>

> ---
>  testcases/kernel/syscalls/fallocate/fallocate05.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/testcases/kernel/syscalls/fallocate/fallocate05.c
> b/testcases/kernel/syscalls/fallocate/fallocate05.c index
> 732a2f15d..b4350c865 100644
> --- a/testcases/kernel/syscalls/fallocate/fallocate05.c
> +++ b/testcases/kernel/syscalls/fallocate/fallocate05.c
> @@ -154,6 +154,10 @@ static void run(void)
> 
>  	if (TST_RET == holesize) {
>  		tst_res(TPASS, "Test file data start at offset %ld", 
TST_RET);
> +	} else if (TST_RET == -1 && holesize >= bufsize + extsize &&
> +		TST_ERR == ENXIO) {
> +		tst_res(TPASS | TTERRNO,
> +			"lseek(SEEK_DATA) failed on empty file");
>  	} else if (TST_RET == -1) {
>  		tst_res(TFAIL | TTERRNO, "lseek(SEEK_DATA) failed");
>  	} else {
> --
> 2.46.0
> 
> 
> --
> Mailing list info: https://lists.linux.it/listinfo/ltp

Regards,
Avinesh