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Howlett" Cc: linux-block@vger.kernel.org, rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Andreas Hindborg X-Mailer: b4 0.15-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=1622; i=a.hindborg@kernel.org; h=from:subject:message-id; bh=jDbHu1Zje3UqoEo8ZzyBlnA9FXargy0KlZo0vzXHkD8=; b=owEBbQKS/ZANAwAKAeG4Gj55KGN3AcsmYgBpklheeOWsZ5urW4C1UgIxuTPpIyyfBrdvCKsur KSUpEKcmhiJAjMEAAEKAB0WIQQSwflHVr98KhXWwBLhuBo+eShjdwUCaZJYXgAKCRDhuBo+eShj dydFEAC1bjAjzG0WwgcS1zrXw0+2c39sfZ4Y4rB+xPXYebButMnzTSTL4dU+tGbyFFq5x4d0g90 j3OCa2gMD8rbHleMZ9yo5J1XCRE/GWd5vhplDWCPHVOcLQaCFzwL4tw90z/FgQ5J0nswbXtg0Su NgHGvdb2an2pEy+z+tYNqQoP3cYGmGUyFXzXHI6iAERegmXrj959KcIKctyA14K2dAxK5EPi3IU FnFqin4bCemG/IK516tUXoZ9Z0N1tV/VzoLHVoc6Es9cEO16U7RzWjrdQPWTZGBo28n0upPGovT 42SPvlzRwb83Btcumna2P4wGLc6yAV7Mu+eafxLfUeZFadRKK3qD2J+06pjJsixpUeItZPiVETe U8it+EgneiTQVhq4WWit6YWSUYhrWZsN6ICUtfKwX0s2PYgjsHfTnBStUd6IteSPR4zi1jw0Z06 W73zvD84pdQ6PxRJphLZm/5LopyrH7MzlvOrBIR+7uwtG80iX9aqC1SRJWy7kltk2HPD+caXBm2 J4plRlTJtkk9avoDHBlpm7+7MiUkzz9RZJIXqVveyHqCJrY5tC4SMHSaX2+S9V5wnoh/c3684OB pQ1sRV/jGYFJ7K5I3ZWZzMeN9BPWcTmZkhbO3kYcsOB+Og/RxCRqAqmBlbziBl3ytAw0XluMvaK NLxY6LENQoYm94w== X-Developer-Key: i=a.hindborg@kernel.org; a=openpgp; fpr=3108C10F46872E248D1FB221376EB100563EF7A7 X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: A7484C0004 X-Stat-Signature: 8rao5akhdakzxg8fxb6georj6uop1oz7 X-Rspam-User: X-HE-Tag: 1771198850-90820 X-HE-Meta: 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 N6UEiLjc FfgE7aRmUVXdhnkTiK6U0zyUdq/MartmqCKCPEjmd1NgUwEo= 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: Allow drivers to set the maximum I/O size when building a `GenDisk`. Signed-off-by: Andreas Hindborg --- rust/kernel/block/mq/gen_disk.rs | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/rust/kernel/block/mq/gen_disk.rs b/rust/kernel/block/mq/gen_disk.rs index b5291bc3e051d..b428e3f4207f4 100644 --- a/rust/kernel/block/mq/gen_disk.rs +++ b/rust/kernel/block/mq/gen_disk.rs @@ -36,6 +36,7 @@ pub struct GenDiskBuilder { zone_append_max_sectors: u32, write_cache: bool, forced_unit_access: bool, + max_sectors: u32, _p: PhantomData, } @@ -55,6 +56,7 @@ fn default() -> Self { zone_append_max_sectors: 0, write_cache: false, forced_unit_access: false, + max_sectors: 0, _p: PhantomData, } } @@ -159,6 +161,12 @@ pub fn write_cache(mut self, enable: bool) -> Self { self } + /// Maximum size of a command in 512 byte sectors. + pub fn max_sectors(mut self, sectors: u32) -> Self { + self.max_sectors = sectors; + self + } + /// Build a new `GenDisk` and add it to the VFS. pub fn build( self, @@ -178,6 +186,7 @@ pub fn build( lim.logical_block_size = self.logical_block_size; lim.physical_block_size = self.physical_block_size; lim.max_hw_discard_sectors = self.max_hw_discard_sectors; + lim.max_sectors = self.max_sectors; if self.rotational { lim.features = Feature::Rotational.into(); } -- 2.51.2