Re: [PATCH v3 2/3] generic/436: round up bufsz to nearest filesystem blksz

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On Mon, May 27, 2024 at 01:01:11PM +0000, Pankaj Raghav (Samsung) wrote:
> On Mon, May 27, 2024 at 01:48:33PM +0200, Pankaj Raghav (Samsung) wrote:
> > From: Pankaj Raghav <p.raghav@xxxxxxxxxxx>
> > 
> > SEEK_HOLE and SEEK_DATA work in filesystem block size granularity. So
> > while filling up the buffer for test 13 - 16, round up the bufsz to the
> > closest filesystem blksz.
> > 
> > As we only allowed blocksizes lower than the pagesize, this was never an
> > issue and it always aligned. Once we have blocksize > pagesize, this
> > assumption will break.
> > 
> > Fixes the test for LBS configuration.
> > 
> > Signed-off-by: Pankaj Raghav <p.raghav@xxxxxxxxxxx>
> > Reviewed-by: Ritesh Harjani (IBM) <ritesh.list@xxxxxxxxx>
> Looks like I missed the RVB from Darrick [1].
> 
> @Zorro could you fix it up before you commit?

Sure, if there's not more review points, I'll merge it with this change.

Thanks,
Zorro

> 
> [1] https://lore.kernel.org/fstests/20240517155437.GK360908@frogsfrogsfrogs/
> > ---
> >  src/seek_sanity_test.c | 8 ++++----
> >  1 file changed, 4 insertions(+), 4 deletions(-)
> > 
> > diff --git a/src/seek_sanity_test.c b/src/seek_sanity_test.c
> > index 48b3ccc0..a61ed3da 100644
> > --- a/src/seek_sanity_test.c
> > +++ b/src/seek_sanity_test.c
> > @@ -541,7 +541,7 @@ static int test16(int fd, int testnum)
> >  {
> >  	int ret = 0;
> >  	char *buf = NULL;
> > -	int bufsz = sysconf(_SC_PAGE_SIZE);
> > +	int bufsz = roundup(sysconf(_SC_PAGE_SIZE), alloc_size);
> >  	int filsz = 4 << 20;
> >  
> >  	if (!unwritten_extents) {
> > @@ -591,7 +591,7 @@ static int test15(int fd, int testnum)
> >  {
> >  	int ret = 0;
> >  	char *buf = NULL;
> > -	int bufsz = sysconf(_SC_PAGE_SIZE);
> > +	int bufsz = roundup(sysconf(_SC_PAGE_SIZE), alloc_size);
> >  	int filsz = 4 << 20;
> >  
> >  	if (!unwritten_extents) {
> > @@ -643,7 +643,7 @@ static int test14(int fd, int testnum)
> >  {
> >  	int ret = 0;
> >  	char *buf = NULL;
> > -	int bufsz = sysconf(_SC_PAGE_SIZE) * 14;
> > +	int bufsz = roundup(sysconf(_SC_PAGE_SIZE) * 14, alloc_size);
> >  	int filsz = 4 << 20;
> >  
> >  	if (!unwritten_extents) {
> > @@ -692,7 +692,7 @@ static int test13(int fd, int testnum)
> >  {
> >  	int ret = 0;
> >  	char *buf = NULL;
> > -	int bufsz = sysconf(_SC_PAGE_SIZE) * 14;
> > +	int bufsz = roundup(sysconf(_SC_PAGE_SIZE) * 14, alloc_size);
> >  	int filsz = 4 << 20;
> >  
> >  	if (!unwritten_extents) {
> > -- 
> > 2.34.1
> > 
> 
> -- 
> Pankaj Raghav
> 





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