File flashcache-3.1.2_issue86.patch of Package flashcache

From a4a63a71c6f84e0768d44bf3683f4f6941197120 Mon Sep 17 00:00:00 2001
From: Mohan Srinivasan <mohan@fb.com>
Date: Tue, 9 Oct 2012 12:28:52 -0700
Subject: [PATCH] Change to make flashcache compile on 3.6.0.

Summary: Changes to make flashcache compile on 3.6.0. Thanks to
Thomas Stein for quickly verifying that the patch works.

Test Plan:

Reviewers:

CC:

Task ID: #

Blame Rev:
---
 src/flashcache.h      |  3 ---
 src/flashcache_conf.c | 15 ++++++++++++---
 2 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/src/flashcache.h b/src/flashcache.h
index a31b52a..f5c01bd 100644
--- a/src/flashcache.h
+++ b/src/flashcache.h
@@ -529,9 +529,6 @@ int flashcache_ctr(struct dm_target *ti, unsigned int argc,
 		   char **argv);
 void flashcache_dtr(struct dm_target *ti);
 
-int flashcache_status(struct dm_target *ti, status_type_t type,
-		      char *result, unsigned int maxlen);
-
 struct kcached_job *flashcache_alloc_cache_job(void);
 void flashcache_free_cache_job(struct kcached_job *job);
 struct pending_job *flashcache_alloc_pending_job(struct cache_c *dmc);
diff --git a/src/flashcache_conf.c b/src/flashcache_conf.c
index e151a06..f72200e 100644
--- a/src/flashcache_conf.c
+++ b/src/flashcache_conf.c
@@ -1088,8 +1088,11 @@ flashcache_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 
 	dmc->sync_index = 0;
 	dmc->clean_inprog = 0;
-
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
 	ti->split_io = dmc->block_size;
+#else
+	ti->max_io_len = dmc->block_size;
+#endif
 	ti->private = dmc;
 
 	/* Cleaning Thresholds */
@@ -1511,9 +1514,15 @@ flashcache_status_table(struct cache_c *dmc, status_type_t type,
  *  Output cache stats upon request of device status;
  *  Output cache configuration upon request of table status.
  */
-int 
+int
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)
 flashcache_status(struct dm_target *ti, status_type_t type,
-	     char *result, unsigned int maxlen)
+		  unsigned int unused_status_flags,
+		  char *result, unsigned int maxlen)
+#else
+flashcache_status(struct dm_target *ti, status_type_t type,
+		  char *result, unsigned int maxlen)
+#endif
 {
 	struct cache_c *dmc = (struct cache_c *) ti->private;