btrfs: merge btrfs_folio_unlock_writer() into btrfs_folio_end_writer_lock()

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The function btrfs_folio_unlock_writer() is already calling
btrfs_folio_end_writer_lock() to do the heavy lifting work, the only
missing 0 writer check.

Thus there is no need to keep two different functions, move the 0 writer
check into btrfs_folio_end_writer_lock(), and remove
btrfs_folio_unlock_writer().

Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Qu Wenruo 2024-09-02 13:57:08 +09:30 • committed by David Sterba

parent 68f32b9c98

commit 49a9907368

3 changed files with 35 additions and 50 deletions

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2

fs/btrfs/extent_io.c

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81

fs/btrfs/subpage.c

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fs/btrfs/subpage.h

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