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f4f84586c8
Add the fua configfs attribute and module parameter to allow configuring if the device supports FUA or not. Using this attribute has an effect on the null_blk device only if memory backing is enabled together with a write cache (cache_size option). This new attribute allows configuring a null_blk device with a write cache but without FUA support. This is convenient to test the block layer flush machinery. Signed-off-by: Damien Le Moal <dlemoal@kernel.org> Reviewed-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com> Tested-by: Hans Holmberg <hans.holmberg@wdc.com> Tested-by: Dennis Maisenbacher <dennis.maisenbacher@wdc.com> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Link: https://lore.kernel.org/r/20240408014128.205141-18-dlemoal@kernel.org Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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.. | ||
aoe | ||
drbd | ||
mtip32xx | ||
null_blk | ||
rnbd | ||
xen-blkback | ||
zram | ||
amiflop.c | ||
ataflop.c | ||
brd.c | ||
floppy.c | ||
Kconfig | ||
loop.c | ||
Makefile | ||
n64cart.c | ||
nbd.c | ||
pktcdvd.c | ||
ps3disk.c | ||
ps3vram.c | ||
rbd_types.h | ||
rbd.c | ||
sunvdc.c | ||
swim_asm.S | ||
swim.c | ||
swim3.c | ||
ublk_drv.c | ||
virtio_blk.c | ||
xen-blkfront.c | ||
z2ram.c |