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[3/6] btrfs: send: squeeze bitfilelds in fs_path

Message ID 4d22a6e5765bed08ad03749246b0c57403648d56.1391447200.git.dsterba@suse.cz (mailing list archive)
State Accepted
Headers show

Commit Message

David Sterba Feb. 3, 2014, 6:23 p.m. UTC 
We know that buf_len is at most PATH_MAX, 4k, and can merge it with the
reversed member. This saves 3 bytes in favor of inline_buf.

Signed-off-by: David Sterba <dsterba@suse.cz>
---
 fs/btrfs/send.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index ea427624e842..cb12c2ec37dc 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -53,8 +53,8 @@  struct fs_path {
 			char *end;
 
 			char *buf;
-			int buf_len;
-			unsigned int reversed:1;
+			unsigned short buf_len:15;
+			unsigned short reversed:1;
 			char inline_buf[];
 		};
 		char pad[PAGE_SIZE];