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| author | Ronnie Sahlberg <lsahlber@redhat.com> | 2018-09-03 13:33:41 +1000 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2018-10-23 21:16:04 -0500 |
| commit | c5a5f38f075cf7656a1d7ad2b40cbc19e48e9805 (patch) | |
| tree | 4078dc3ca7c7cef055fb6c303cad01a94bd8e56e /fs/cifs/smb2pdu.c | |
| parent | cb5c2e63948451d38c977685fffc06e23beb4517 (diff) | |
| download | lwn-c5a5f38f075cf7656a1d7ad2b40cbc19e48e9805.tar.gz lwn-c5a5f38f075cf7656a1d7ad2b40cbc19e48e9805.zip | |
cifs: add a smb2_compound_op and change QUERY_INFO to use it
This turns most open/query-info/close patterns in cifs.ko
to become compounds.
This changes stat from using 3 roundtrips to just a single one.
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/cifs/smb2pdu.c')
| -rw-r--r-- | fs/cifs/smb2pdu.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index d7a41141ed38..181ada4f2bd6 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -2627,10 +2627,10 @@ smb2_validate_iov(unsigned int offset, unsigned int buffer_length, * If SMB buffer fields are valid, copy into temporary buffer to hold result. * Caller must free buffer. */ -static int -validate_and_copy_iov(unsigned int offset, unsigned int buffer_length, - struct kvec *iov, unsigned int minbufsize, - char *data) +int +smb2_validate_and_copy_iov(unsigned int offset, unsigned int buffer_length, + struct kvec *iov, unsigned int minbufsize, + char *data) { char *begin_of_buf = offset + (char *)iov->iov_base; int rc; @@ -2746,9 +2746,9 @@ query_info(const unsigned int xid, struct cifs_tcon *tcon, } } - rc = validate_and_copy_iov(le16_to_cpu(rsp->OutputBufferOffset), - le32_to_cpu(rsp->OutputBufferLength), - &rsp_iov, min_len, *data); + rc = smb2_validate_and_copy_iov(le16_to_cpu(rsp->OutputBufferOffset), + le32_to_cpu(rsp->OutputBufferLength), + &rsp_iov, min_len, *data); qinf_exit: SMB2_query_info_free(&rqst); |