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authorMike Marshall <hubcap@omnibond.com>2016-04-06 11:19:37 -0400
committerMike Marshall <hubcap@omnibond.com>2016-04-08 14:08:27 -0400
commita9bb3ba81fba1750139654360cb716ab093103b0 (patch)
tree98483c708424a6aa36a66a823d6e90fc9102840f /fs/orangefs
parent2d09a2ca6a6c66d765458df2653f888c4a481c81 (diff)
Orangefs: optimize boilerplate code.
Suggested by David Binderman <dcb314@hotmail.com> The former can potentially be a performance win over the latter. memcpy(d, s, len); memset(d+len, c, size-len); memset(d, c, size); memcpy(d, s, len); Signed-off-by: Mike Marshall <hubcap@omnibond.com>
Diffstat (limited to 'fs/orangefs')
-rw-r--r--fs/orangefs/protocol.h2
-rw-r--r--fs/orangefs/xattr.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/fs/orangefs/protocol.h b/fs/orangefs/protocol.h
index 50578a28bd9e..a7f21a3b2d02 100644
--- a/fs/orangefs/protocol.h
+++ b/fs/orangefs/protocol.h
@@ -74,8 +74,8 @@ static inline void ORANGEFS_khandle_to(const struct orangefs_khandle *kh,
void *p, int size)
{
- memset(p, 0, size);
memcpy(p, kh->u, 16);
+ memset(p + 16, 0, size - 16);
}
diff --git a/fs/orangefs/xattr.c b/fs/orangefs/xattr.c
index 90a8ae77d641..63a6280d8c3a 100644
--- a/fs/orangefs/xattr.c
+++ b/fs/orangefs/xattr.c
@@ -142,8 +142,8 @@ ssize_t orangefs_inode_getxattr(struct inode *inode, const char *prefix,
goto out_release_op;
}
- memset(buffer, 0, size);
memcpy(buffer, new_op->downcall.resp.getxattr.val, length);
+ memset(buffer + length, 0, size - length);
gossip_debug(GOSSIP_XATTR_DEBUG,
"orangefs_inode_getxattr: inode %pU "
"key %s key_sz %d, val_len %d\n",