btrfs: turn the backref sharedness check cache into a context object

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Right now we are using a struct btrfs_backref_shared_cache to pass state
across multiple btrfs_is_data_extent_shared() calls. The structure's name
closely follows its current purpose, which is to cache previous checks
for the sharedness of metadata extents. However we will start using the
structure for more things other than caching sharedness checks, so rename
it to struct btrfs_backref_share_check_ctx.

Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Filipe Manana 2022-10-11 13:17:02 +01:00 • committed by David Sterba

parent ceb707da9a

commit 61dbb952f0

3 changed files with 32 additions and 32 deletions

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32

fs/btrfs/backref.c

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8

fs/btrfs/backref.h

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24

fs/btrfs/extent_io.c

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