[PATCH] drivers: staging: lustre: Cleanup src/dst comparisons in obdo_cmp_md()

From: Greg Donald
Date: Thu Sep 11 2014 - 19:40:23 EST


Cleanup obdo_cmp_md() src/dst comparisons using bitwise OR assignments

Suggested-by: Joe Perches <joe@xxxxxxxxxxx>
Signed-off-by: Greg Donald <gdonald@xxxxxxxxx>
---
drivers/staging/lustre/lustre/obdclass/obdo.c | 32 +++++++++++++--------------
1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/drivers/staging/lustre/lustre/obdclass/obdo.c b/drivers/staging/lustre/lustre/obdclass/obdo.c
index b97433e..307ffe3 100644
--- a/drivers/staging/lustre/lustre/obdclass/obdo.c
+++ b/drivers/staging/lustre/lustre/obdclass/obdo.c
@@ -162,38 +162,38 @@ int obdo_cmp_md(struct obdo *dst, struct obdo *src, u32 compare)
int res = 0;

if (compare & OBD_MD_FLATIME)
- res = (res || (dst->o_atime != src->o_atime));
+ res |= dst->o_atime != src->o_atime;
if (compare & OBD_MD_FLMTIME)
- res = (res || (dst->o_mtime != src->o_mtime));
+ res |= dst->o_mtime != src->o_mtime;
if (compare & OBD_MD_FLCTIME)
- res = (res || (dst->o_ctime != src->o_ctime));
+ res |= dst->o_ctime != src->o_ctime;
if (compare & OBD_MD_FLSIZE)
- res = (res || (dst->o_size != src->o_size));
+ res |= dst->o_size != src->o_size;
if (compare & OBD_MD_FLBLOCKS) /* allocation of space */
- res = (res || (dst->o_blocks != src->o_blocks));
+ res |= dst->o_blocks != src->o_blocks;
if (compare & OBD_MD_FLBLKSZ)
- res = (res || (dst->o_blksize != src->o_blksize));
+ res |= dst->o_blksize != src->o_blksize;
if (compare & OBD_MD_FLTYPE)
- res = (res || (((dst->o_mode ^ src->o_mode) & S_IFMT) != 0));
+ res |= ((dst->o_mode ^ src->o_mode) & S_IFMT) != 0;
if (compare & OBD_MD_FLMODE)
- res = (res || (((dst->o_mode ^ src->o_mode) & ~S_IFMT) != 0));
+ res |= ((dst->o_mode ^ src->o_mode) & ~S_IFMT) != 0;
if (compare & OBD_MD_FLUID)
- res = (res || (dst->o_uid != src->o_uid));
+ res |= dst->o_uid != src->o_uid;
if (compare & OBD_MD_FLGID)
- res = (res || (dst->o_gid != src->o_gid));
+ res |= dst->o_gid != src->o_gid;
if (compare & OBD_MD_FLFLAGS)
- res = (res || (dst->o_flags != src->o_flags));
+ res |= dst->o_flags != src->o_flags;
if (compare & OBD_MD_FLNLINK)
- res = (res || (dst->o_nlink != src->o_nlink));
+ res |= dst->o_nlink != src->o_nlink;
if (compare & OBD_MD_FLFID) {
- res = (res || (dst->o_parent_seq != src->o_parent_seq));
- res = (res || (dst->o_parent_ver != src->o_parent_ver));
+ res |= dst->o_parent_seq != src->o_parent_seq;
+ res |= dst->o_parent_ver != src->o_parent_ver;
}
if (compare & OBD_MD_FLGENER)
- res = (res || (dst->o_parent_oid != src->o_parent_oid));
+ res |= dst->o_parent_oid != src->o_parent_oid;
/* XXX Don't know if these should be included here - wasn't previously
if ( compare & OBD_MD_FLINLINE )
- res = (res || memcmp(dst->o_inline, src->o_inline));
+ res |= memcmp(dst->o_inline, src->o_inline);
*/
return res;
}
--
1.9.1

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