[PATCH 2/4] btrfs: optimize variables size in btrfs_submit_compressed_read
From: Anand Jain <hidden>
Date: 2021-05-29 09:49:31
Subsystem:
btrfs file system, filesystems (vfs and infrastructure), the rest · Maintainers:
Chris Mason, David Sterba, Alexander Viro, Christian Brauner, Linus Torvalds
Patch (btrfs: reduce compressed_bio member's types) reduced some member's size. Declare the variables @compressed_len, @nr_pages and @pg_index size as an unsigned int in the function btrfs_submit_compressed_read. Signed-off-by: Anand Jain <redacted> --- fs/btrfs/compression.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index e10041af8476..c1432a58f378 100644
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c@@ -667,9 +667,9 @@ blk_status_t btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); struct extent_map_tree *em_tree; struct compressed_bio *cb; - unsigned long compressed_len; - unsigned long nr_pages; - unsigned long pg_index; + unsigned int compressed_len; + unsigned int nr_pages; + unsigned int pg_index; struct page *page; struct bio *comp_bio; u64 cur_disk_byte = bio->bi_iter.bi_sector << 9;
--
2.30.2