fs: add a ->sync_lazytime method

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Allow the file system to explicitly implement lazytime syncing instead
of pigging back on generic inode dirtying.  This allows to simplify
the XFS implementation and prepares for non-blocking lazytime timestamp
updates.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://patch.msgid.link/20260108141934.2052404-8-hch@lst.de
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>

...

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Christoph Hellwig 2026-01-08 15:19:07 +01:00 • committed by Christian Brauner

parent 188344c8ac

commit 5cf06ea56e

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4 changed files with 20 additions and 2 deletions

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2

Documentation/filesystems/locking.rst

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6

Documentation/filesystems/vfs.rst

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13

fs/fs-writeback.c

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1

include/linux/fs.h

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