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See http://www.infradead.org/rpr.html X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 46B2A1C000E X-Stat-Signature: zr6u4ufb64kr9h4ymcc4kots6cgzzpfd X-Rspam-User: X-HE-Tag: 1725955342-676774 X-HE-Meta: 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 9dDkpBco 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Fri, Sep 06, 2024 at 11:57:25PM +0100, Pavel Begunkov wrote: > Add a command that writes the zero page to the drive. Apart from passing > the zero page instead of actual data it uses the normal write path and > doesn't do any further acceleration, nor it requires any special > hardware support. The indended use is to have a fallback when > BLOCK_URING_CMD_WRITE_ZEROES is not supported. That's just a horrible API. The user should not have to care if the kernel is using different kinds of implementations.