On 11/8/19 2:56 AM, Damien Le Moal wrote: > All kernel users of blkdev_report_zones() as well as applications use > through ioctl(BLKZONEREPORT) expect to potentially get less zone > descriptors than requested. As such, the use of the internal report > zones command execution loop implemented by blk_report_zones() is > not necessary and can even be harmful to performance by causing the > execution of inefficient small zones report command to service the > reminder of a requested zone array. > > This patch removes blk_report_zones(), simplifying the code. Also > remove a now incorrect comment in dm_blk_report_zones(). > > Signed-off-by: Damien Le Moal <damien.lemoal@xxxxxxx> > Reviewed-by: Christoph Hellwig <hch@xxxxxx> > Reviewed-by: Javier Gonzalez <javier@xxxxxxxxxxx> > --- > block/blk-zoned.c | 34 +++++----------------------------- > drivers/md/dm.c | 6 ------ > 2 files changed, 5 insertions(+), 35 deletions(-) > Reviewed-by: Hannes Reinecke <hare@xxxxxxx> Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking hare@xxxxxxx +49 911 74053 688 SUSE Software Solutions Germany GmbH, Maxfeldstr. 5, 90409 Nürnberg HRB 247165 (AG München), GF: Felix Imendörffer
