From 161ab30da6899f31f8128cec7c833e99fa4d06d2 Mon Sep 17 00:00:00 2001 From: Qu Wenruo Date: Thu, 29 Jan 2026 13:53:46 +1030 Subject: [PATCH] btrfs: get rid of compressed_bio::compressed_folios[] Now there is no one utilizing that member, we can safely remove it along with compressed_bio::nr_folios member. The size is reduced from 352 to 336 bytes on x86_64. Reviewed-by: Boris Burkov Signed-off-by: Qu Wenruo Reviewed-by: David Sterba Signed-off-by: David Sterba --- fs/btrfs/compression.c | 1 - fs/btrfs/compression.h | 6 ------ 2 files changed, 7 deletions(-) diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index dcd7bc60107d..1e7174ad32e2 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -300,7 +300,6 @@ static void end_bbio_compressed_write(struct btrfs_bio *bbio) /* Note, our inode could be gone now. */ bio_for_each_folio_all(fi, &bbio->bio) btrfs_free_compr_folio(fi.folio); - kfree(cb->compressed_folios); bio_put(&cb->bbio.bio); } diff --git a/fs/btrfs/compression.h b/fs/btrfs/compression.h index 2d3a28b26997..65b8bc4bbe0b 100644 --- a/fs/btrfs/compression.h +++ b/fs/btrfs/compression.h @@ -42,12 +42,6 @@ static_assert((BTRFS_MAX_COMPRESSED % PAGE_SIZE) == 0); #define BTRFS_ZLIB_DEFAULT_LEVEL 3 struct compressed_bio { - /* Number of compressed folios in the array. */ - unsigned int nr_folios; - - /* The folios with the compressed data on them. */ - struct folio **compressed_folios; - /* starting offset in the inode for our pages */ u64 start; -- 2.47.3