btrfs: sysfs: add btrfs_read_policy_to_enum() helper and refactor read policy store

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Introduce btrfs_read_policy_to_enum() helper to simplify the conversion
of a string read policy to its corresponding enum value. This reduces
duplication and improves code clarity in btrfs_read_policy_store().

The parameter is copied locally to allow modification, enabling the
separation of the method and its value. This prepares for the addition of
more functionality in subsequent patches.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Anand Jain 2025-01-02 02:06:32 +08:00 • committed by David Sterba

parent 83be7f8b9c

commit 38cae63137

1 changed files with 22 additions and 12 deletions

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fs/btrfs/sysfs.c

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