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Orangefs: optimize boilerplate code.

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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>
This commit is contained in:
Mike Marshall 2016-04-06 11:19:37 -04:00
parent 2d09a2ca6a
commit a9bb3ba81f
2 changed files with 2 additions and 2 deletions
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2
fs/orangefs/protocol.h
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@ -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);
}

2
fs/orangefs/xattr.c
View file

@ -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",