提交 064ea1ae 编写于 作者: L Linus Torvalds

Merge git://git.samba.org/sfrench/cifs-2.6

Pull cifs fixes from Steve French.

* git://git.samba.org/sfrench/cifs-2.6:
  cifs: when server doesn't set CAP_LARGE_READ_X, cap default rsize at MaxBufferSize
  cifs: fix parsing of password mount option
......@@ -1653,14 +1653,14 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
* If yes, we have encountered a double deliminator
* reset the NULL character to the deliminator
*/
if (tmp_end < end && tmp_end[1] == delim)
if (tmp_end < end && tmp_end[1] == delim) {
tmp_end[0] = delim;
/* Keep iterating until we get to a single deliminator
* OR the end
/* Keep iterating until we get to a single
* deliminator OR the end
*/
while ((tmp_end = strchr(tmp_end, delim)) != NULL &&
(tmp_end[1] == delim)) {
while ((tmp_end = strchr(tmp_end, delim))
!= NULL && (tmp_end[1] == delim)) {
tmp_end = (char *) &tmp_end[2];
}
......@@ -1669,8 +1669,10 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
tmp_end[0] = '\0';
options = (char *) &tmp_end[1];
} else
/* Reached the end of the mount option string */
/* Reached the end of the mount option
* string */
options = end;
}
/* Now build new password string */
temp_len = strlen(value);
......@@ -3493,18 +3495,15 @@ cifs_negotiate_rsize(struct cifs_tcon *tcon, struct smb_vol *pvolume_info)
* MS-CIFS indicates that servers are only limited by the client's
* bufsize for reads, testing against win98se shows that it throws
* INVALID_PARAMETER errors if you try to request too large a read.
* OS/2 just sends back short reads.
*
* If the server advertises a MaxBufferSize of less than one page,
* assume that it also can't satisfy reads larger than that either.
*
* FIXME: Is there a better heuristic for this?
* If the server doesn't advertise CAP_LARGE_READ_X, then assume that
* it can't handle a read request larger than its MaxBufferSize either.
*/
if (tcon->unix_ext && (unix_cap & CIFS_UNIX_LARGE_READ_CAP))
defsize = CIFS_DEFAULT_IOSIZE;
else if (server->capabilities & CAP_LARGE_READ_X)
defsize = CIFS_DEFAULT_NON_POSIX_RSIZE;
else if (server->maxBuf >= PAGE_CACHE_SIZE)
defsize = CIFSMaxBufSize;
else
defsize = server->maxBuf - sizeof(READ_RSP);
......
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