[CIFS] Reduce CIFS tcp congestion timeout (it was too long) and backoff
ever longer amounts (up to 15 seconds). This improves performance
especially when using large wsize.
Signed-off-by: Steve French (sfrench@us.ibm.com)
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 1f97d39..e3177a0 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -405,6 +405,16 @@
};
#endif
+static void cifs_umount_begin(struct super_block * sblock)
+{
+ cERROR(1,("kill all tasks now - umount begin not implemented yet"));
+
+/* BB FIXME - finish BB */
+
+ return;
+}
+
+
static int cifs_remount(struct super_block *sb, int *flags, char *data)
{
*flags |= MS_NODIRATIME;
@@ -422,7 +432,7 @@
unless later we add lazy close of inodes or unless the kernel forgets to call
us with the same number of releases (closes) as opens */
.show_options = cifs_show_options,
-/* .umount_begin = cifs_umount_begin, *//* consider adding in the future */
+/* .umount_begin = cifs_umount_begin, */ /* BB finish in the future */
.remount_fs = cifs_remount,
};
@@ -790,9 +800,7 @@
do {
if(try_to_freeze())
continue;
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(1*HZ);
spin_lock(&GlobalMid_Lock);
if(list_empty(&GlobalOplock_Q)) {
spin_unlock(&GlobalMid_Lock);
@@ -841,6 +849,8 @@
}
} else
spin_unlock(&GlobalMid_Lock);
+ set_current_state(TASK_INTERRUPTIBLE);
+ schedule_timeout(1); /* yield in case q were corrupt */
}
} while(!signal_pending(current));
oplockThread = NULL;