Merge branch '3.2-without-smb2' of git://git.samba.org/sfrench/cifs-2.6

* '3.2-without-smb2' of git://git.samba.org/sfrench/cifs-2.6: (52 commits)
  Fix build break when freezer not configured
  Add definition for share encryption
  CIFS: Make cifs_push_locks send as many locks at once as possible
  CIFS: Send as many mandatory unlock ranges at once as possible
  CIFS: Implement caching mechanism for posix brlocks
  CIFS: Implement caching mechanism for mandatory brlocks
  CIFS: Fix DFS handling in cifs_get_file_info
  CIFS: Fix error handling in cifs_readv_complete
  [CIFS] Fixup trivial checkpatch warning
  [CIFS] Show nostrictsync and noperm mount options in /proc/mounts
  cifs, freezer: add wait_event_freezekillable and have cifs use it
  cifs: allow cifs_max_pending to be readable under /sys/module/cifs/parameters
  cifs: tune bdi.ra_pages in accordance with the rsize
  cifs: allow for larger rsize= options and change defaults
  cifs: convert cifs_readpages to use async reads
  cifs: add cifs_async_readv
  cifs: fix protocol definition for READ_RSP
  cifs: add a callback function to receive the rest of the frame
  cifs: break out 3rd receive phase into separate function
  cifs: find mid earlier in receive codepath
  ...

1 files changed, 20 insertions, 2 deletions

diff --git a/include/linux/freezer.h b/include/linux/freezer.h
index aa56cf31f7ff..a49b52934c55 100644
--- a/include/linux/freezer.h
+++ b/include/linux/freezer.h
@@ -135,10 +135,25 @@ static inline void set_freezable_with_signal(void)
 }
 
 /*
- * Freezer-friendly wrappers around wait_event_interruptible() and
- * wait_event_interruptible_timeout(), originally defined in <linux/wait.h>
+ * Freezer-friendly wrappers around wait_event_interruptible(),
+ * wait_event_killable() and wait_event_interruptible_timeout(), originally
+ * defined in <linux/wait.h>
  */
 
+#define wait_event_freezekillable(wq, condition)                        \
+({                                                                      \
+        int __retval;                                                   \
+        do {                                                            \
+                __retval = wait_event_killable(wq,                      \
+                                (condition) || freezing(current));      \
+                if (__retval && !freezing(current))                     \
+                        break;                                          \
+                else if (!(condition))                                  \
+                        __retval = -ERESTARTSYS;                        \
+        } while (try_to_freeze());                                      \
+        __retval;                                                       \
+})
+
 #define wait_event_freezable(wq, condition)                             \
 ({                                                                      \
         int __retval;                                                   \
@@ -190,6 +205,9 @@ static inline void set_freezable_with_signal(void) {}
 #define wait_event_freezable_timeout(wq, condition, timeout)            \
                 wait_event_interruptible_timeout(wq, condition, timeout)
 
+#define wait_event_freezekillable(wq, condition)                \
+                wait_event_killable(wq, condition)
+
 #endif /* !CONFIG_FREEZER */
 
 #endif  /* FREEZER_H_INCLUDED */