md/md-llbitmap: grow the page cache in place for reshape

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Use the page-control helpers to grow llbitmap's cached pages in place
for resize and later reshape preparation, instead of rebuilding the
whole cache.

Tested-by: Mykola Marzhan <mykola@meshstor.io>
Link: https://patch.msgid.link/20260802195038.164272-16-yukuai@kernel.org
Signed-off-by: Yu Kuai <yukuai@fygo.io>

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Yu Kuai 2026-08-03 03:50:24 +08:00

parent e9f0d66b57

commit 1cbc6ea5fa

1 changed files with 133 additions and 12 deletions

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143

drivers/md/md-llbitmap.c

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