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authorLinus Torvalds <torvalds@linux-foundation.org>2012-07-06 10:02:12 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-07-06 10:02:12 -0700
commit064ea1ae80749f5548a5613e8c7772fbef34c857 (patch)
treec262e09fd60b3ee1b51cc302f35965ad7330edc9
parent1b74a8684e3c5cbbe5e798de9e07e3a087c7b853 (diff)
parentec01d738a1691dfc85b96b9f796020267a7be577 (diff)
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
-rw-r--r--fs/cifs/connect.c41
1 files changed, 20 insertions, 21 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 78db68a5cf44..0ae86ddf2213 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -1653,24 +1653,26 @@ 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
- */
- while ((tmp_end = strchr(tmp_end, delim)) != NULL &&
- (tmp_end[1] == delim)) {
- tmp_end = (char *) &tmp_end[2];
- }
+ /* Keep iterating until we get to a single
+ * deliminator OR the end
+ */
+ while ((tmp_end = strchr(tmp_end, delim))
+ != NULL && (tmp_end[1] == delim)) {
+ tmp_end = (char *) &tmp_end[2];
+ }
- /* Reset var options to point to next element */
- if (tmp_end) {
- tmp_end[0] = '\0';
- options = (char *) &tmp_end[1];
- } else
- /* Reached the end of the mount option string */
- options = end;
+ /* Reset var options to point to next element */
+ if (tmp_end) {
+ tmp_end[0] = '\0';
+ options = (char *) &tmp_end[1];
+ } else
+ /* 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);