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BLK_QUEUE_WRITE_CACH(9) Block Devices BLK_QUEUE_WRITE_CACH(9)

NAME

blk_queue_write_cache - configure queue's write cache

SYNOPSIS

void blk_queue_write_cache(struct request_queue * q, bool wc, bool fua);

ARGUMENTS

q
the request queue for the device

wc

write back cache on or off

fua

device supports FUA writes, if true

DESCRIPTION

Tell the block layer about the write cache of q.

COPYRIGHT

April 2019 Kernel Hackers Manual 4.9.