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| author | Steve French <sfrench@us.ibm.com> | 2005-12-13 05:53:18 +0100 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2005-12-13 05:53:18 +0100 |
| commit | ec637e3ffb6b978143652477c7c5f96c9519b691 (patch) | |
| tree | 32533b8f101e1d85b3499050eef29e78480e5cae /fs/cifs/cifsglob.h | |
| parent | Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git (diff) | |
| download | linux-ec637e3ffb6b978143652477c7c5f96c9519b691.tar.xz linux-ec637e3ffb6b978143652477c7c5f96c9519b691.zip | |
[CIFS] Avoid extra large buffer allocation (and memcpy) in cifs_readpages
Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/cifsglob.h')
| -rw-r--r-- | fs/cifs/cifsglob.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index c011c278af4c..862e403ff211 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -285,6 +285,7 @@ struct cifs_search_info { unsigned endOfSearch:1; unsigned emptyDir:1; unsigned unicode:1; + unsigned smallBuf:1; /* so we know which buf_release function to call */ }; struct cifsFileInfo { @@ -420,7 +421,12 @@ struct dir_notify_req { #define MID_RESPONSE_RECEIVED 4 #define MID_RETRY_NEEDED 8 /* session closed while this request out */ #define MID_NO_RESP_NEEDED 0x10 -#define MID_SMALL_BUFFER 0x20 /* 112 byte response buffer instead of 4K */ + +/* Types of response buffer returned from SendReceive2 */ +#define CIFS_NO_BUFFER 0 /* Response buffer not returned */ +#define CIFS_SMALL_BUFFER 1 +#define CIFS_LARGE_BUFFER 2 +#define CIFS_IOVEC 4 /* array of response buffers */ /* ***************************************************************** |