diff options
| author | Fedor Pchelkin <pchelkin@ispras.ru> | 2025-04-27 23:14:49 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-05-11 17:54:12 -0700 |
| commit | f3def8270c67217efb0e23dcd54714f74de3b6b2 (patch) | |
| tree | b9f2bbccddc40c88fde219d515f22be7e3c39bcc /fs/pipe.c | |
| parent | 1785c67e2adc4d1899685b36dd10f7ebbf117178 (diff) | |
| download | random-f3def8270c67217efb0e23dcd54714f74de3b6b2.tar.gz | |
sort.h: hoist cmp_int() into generic header file
Deduplicate the same functionality implemented in several places by
moving the cmp_int() helper macro into linux/sort.h.
The macro performs a three-way comparison of the arguments mostly useful
in different sorting strategies and algorithms.
Link: https://lkml.kernel.org/r/20250427201451.900730-1-pchelkin@ispras.ru
Signed-off-by: Fedor Pchelkin <pchelkin@ispras.ru>
Suggested-by: Darrick J. Wong <djwong@kernel.org>
Acked-by: Kent Overstreet <kent.overstreet@linux.dev>
Acked-by: Coly Li <colyli@kernel.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Carlos Maiolino <cem@kernel.org>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Coly Li <colyli@kernel.org>
Cc: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'fs/pipe.c')
| -rw-r--r-- | fs/pipe.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/pipe.c b/fs/pipe.c index da45edd68c4166..45077c37bad154 100644 --- a/fs/pipe.c +++ b/fs/pipe.c @@ -26,6 +26,7 @@ #include <linux/memcontrol.h> #include <linux/watch_queue.h> #include <linux/sysctl.h> +#include <linux/sort.h> #include <linux/uaccess.h> #include <asm/ioctls.h> @@ -76,8 +77,6 @@ static unsigned long pipe_user_pages_soft = PIPE_DEF_BUFFERS * INR_OPEN_CUR; * -- Manfred Spraul <manfred@colorfullife.com> 2002-05-09 */ -#define cmp_int(l, r) ((l > r) - (l < r)) - #ifdef CONFIG_PROVE_LOCKING static int pipe_lock_cmp_fn(const struct lockdep_map *a, const struct lockdep_map *b) |