From: David Sterba Date: Tue, 10 Jun 2025 12:17:48 +0000 (+0200) Subject: btrfs: simplify range end calculations in truncate_block_zero_beyond_eof() X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e47c8a47670dbb71bbeeb6cd91f6697106acd742;p=thirdparty%2Flinux.git btrfs: simplify range end calculations in truncate_block_zero_beyond_eof() The way zero_end is calculated and used does a -1 and +1 that effectively cancel out, so this can be simplified. This is also preparatory patch for using a helper for folio_pos + folio_size with the semantics of exclusive end of the range. Reviewed-by: Johannes Thumshirn Signed-off-by: David Sterba --- diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index cc176950e7195..391a1f71d7b2e 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -4819,9 +4819,9 @@ again: */ zero_start = max_t(u64, folio_pos(folio), start); - zero_end = folio_pos(folio) + folio_size(folio) - 1; + zero_end = folio_pos(folio) + folio_size(folio); folio_zero_range(folio, zero_start - folio_pos(folio), - zero_end - zero_start + 1); + zero_end - zero_start); out_unlock: folio_unlock(folio);