testing/flashcache-grsec: rebuild against 3.18.11 kernel

1 files changed, 288 insertions, 0 deletions

diff --git a/testing/flashcache-grsec/kernel-3.18.patch b/testing/flashcache-grsec/kernel-3.18.patch
new file mode 100644
index 0000000000..ba0dc631a3
--- /dev/null
+++ b/testing/flashcache-grsec/kernel-3.18.patch
@@ -0,0 +1,288 @@
+From 387fce7bf2143b55147ce4822cd68f694c0bc49a Mon Sep 17 00:00:00 2001
+From: Mohan Srinivasan <mohan@fb.com>
+Date: Mon, 3 Nov 2014 11:57:38 -0800
+Subject: [PATCH] 3.17. 3.18 compilation fixes.
+
+Summary:
+3.17. 3.18 compilation fixes.
+
+Test Plan:
+
+Reviewers:
+
+CC:
+
+Task ID: #
+
+Blame Rev:
+---
+ src/flashcache_conf.c   | 32 ++++++++++++++++++++++++++++-
+ src/flashcache_procfs.c | 54 +++++++++++++++++++++++++++++++++++++++++++++++++
+ 2 files changed, 85 insertions(+), 1 deletion(-)
+
+diff --git a/src/flashcache_conf.c b/src/flashcache_conf.c
+index 36d1e25..ad20539 100644
+--- a/src/flashcache_conf.c
++++ b/src/flashcache_conf.c
+@@ -91,12 +91,14 @@ static void flashcache_sync_for_remove(struct cache_c *dmc);
+ 
+ extern char *flashcache_sw_version;
+ 
++#if LINUX_VERSION_CODE < KERNEL_VERSION(3,17,0)
+ static int
+ flashcache_wait_schedule(void *unused)
+ {
+ 	schedule();
+ 	return 0;
+ }
++#endif
+ 
+ static int 
+ flashcache_jobs_init(void)
+@@ -1222,13 +1224,21 @@ flashcache_ctr(struct dm_target *ti, unsigned int argc, char **argv)
+ 		seq_io_move_to_lruhead(dmc, &dmc->seq_recent_ios[i]);
+ 	}
+ 	dmc->seq_io_tail = &dmc->seq_recent_ios[0];
+-
++#if LINUX_VERSION_CODE < KERNEL_VERSION(3,17,0)
+ 	(void)wait_on_bit_lock(&flashcache_control->synch_flags, FLASHCACHE_UPDATE_LIST,
+ 			       flashcache_wait_schedule, TASK_UNINTERRUPTIBLE);
++#else
++	(void)wait_on_bit_lock(&flashcache_control->synch_flags, FLASHCACHE_UPDATE_LIST,
++			       TASK_UNINTERRUPTIBLE);
++#endif
+ 	dmc->next_cache = cache_list_head;
+ 	cache_list_head = dmc;
+ 	clear_bit(FLASHCACHE_UPDATE_LIST, &flashcache_control->synch_flags);
++#if LINUX_VERSION_CODE < KERNEL_VERSION(3,17,0)
+ 	smp_mb__after_clear_bit();
++#else
++	smp_mb__after_atomic();
++#endif
+ 	wake_up_bit(&flashcache_control->synch_flags, FLASHCACHE_UPDATE_LIST);
+ 
+ 	for (i = 0 ; i < dmc->size ; i++) {
+@@ -1438,10 +1448,16 @@ flashcache_dtr(struct dm_target *ti)
+ 	VERIFY(dmc->num_blacklist_pids == 0);
+ 	dm_put_device(ti, dmc->disk_dev);
+ 	dm_put_device(ti, dmc->cache_dev);
++#if LINUX_VERSION_CODE < KERNEL_VERSION(3,17,0)
+ 	(void)wait_on_bit_lock(&flashcache_control->synch_flags, 
+ 			       FLASHCACHE_UPDATE_LIST,
+ 			       flashcache_wait_schedule, 
+ 			       TASK_UNINTERRUPTIBLE);
++#else
++	(void)wait_on_bit_lock(&flashcache_control->synch_flags, 
++			       FLASHCACHE_UPDATE_LIST,
++			       TASK_UNINTERRUPTIBLE);
++#endif
+ 	nodepp = &cache_list_head;
+ 	while (*nodepp != NULL) {
+ 		if (*nodepp == dmc) {
+@@ -1451,7 +1467,11 @@ flashcache_dtr(struct dm_target *ti)
+ 		nodepp = &((*nodepp)->next_cache);
+ 	}
+ 	clear_bit(FLASHCACHE_UPDATE_LIST, &flashcache_control->synch_flags);
++#if LINUX_VERSION_CODE < KERNEL_VERSION(3,17,0)
+ 	smp_mb__after_clear_bit();
++#else
++	smp_mb__after_atomic();
++#endif
+ 	wake_up_bit(&flashcache_control->synch_flags, FLASHCACHE_UPDATE_LIST);
+ 	kfree(dmc);
+ }
+@@ -1735,10 +1755,16 @@ flashcache_notify_reboot(struct notifier_block *this,
+ {
+ 	struct cache_c *dmc;
+ 
++#if LINUX_VERSION_CODE < KERNEL_VERSION(3,17,0)
+ 	(void)wait_on_bit_lock(&flashcache_control->synch_flags, 
+ 			       FLASHCACHE_UPDATE_LIST,
+ 			       flashcache_wait_schedule, 
+ 			       TASK_UNINTERRUPTIBLE);
++#else
++	(void)wait_on_bit_lock(&flashcache_control->synch_flags, 
++			       FLASHCACHE_UPDATE_LIST,
++			       TASK_UNINTERRUPTIBLE);
++#endif
+ 	for (dmc = cache_list_head ; 
+ 	     dmc != NULL ; 
+ 	     dmc = dmc->next_cache) {
+@@ -1750,7 +1776,11 @@ flashcache_notify_reboot(struct notifier_block *this,
+ 		}
+ 	}
+ 	clear_bit(FLASHCACHE_UPDATE_LIST, &flashcache_control->synch_flags);
++#if LINUX_VERSION_CODE < KERNEL_VERSION(3,17,0)
+ 	smp_mb__after_clear_bit();
++#else
++	smp_mb__after_atomic();
++#endif
+ 	wake_up_bit(&flashcache_control->synch_flags, FLASHCACHE_UPDATE_LIST);
+ 	return NOTIFY_DONE;
+ }
+diff --git a/src/flashcache_procfs.c b/src/flashcache_procfs.c
+index 2ff33c0..23c5a81 100644
+--- a/src/flashcache_procfs.c
++++ b/src/flashcache_procfs.c
+@@ -70,12 +70,18 @@ static char *flashcache_cons_sysctl_devname(struct cache_c *dmc);
+ #define FLASHCACHE_PROC_ROOTDIR_NAME	"flashcache"
+ 
+ static int
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,17,0)
++flashcache_io_latency_init(struct ctl_table *table, int write,
++			   void __user *buffer,
++			   size_t *length, loff_t *ppos)
++#else
+ flashcache_io_latency_init(ctl_table *table, int write,
+ #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,32)
+ 			   struct file *file,
+ #endif
+ 			   void __user *buffer,
+ 			   size_t *length, loff_t *ppos)
++#endif
+ {
+ 	struct cache_c *dmc = (struct cache_c *)table->extra1;
+ 
+@@ -97,12 +103,18 @@ flashcache_io_latency_init(ctl_table *table, int write,
+ }
+ 
+ static int 
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,17,0)
++flashcache_sync_sysctl(struct ctl_table *table, int write,
++		       void __user *buffer, 
++		       size_t *length, loff_t *ppos)
++#else
+ flashcache_sync_sysctl(ctl_table *table, int write,
+ #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,32)
+ 		       struct file *file, 
+ #endif
+ 		       void __user *buffer, 
+ 		       size_t *length, loff_t *ppos)
++#endif
+ {
+ 	struct cache_c *dmc = (struct cache_c *)table->extra1;
+ 
+@@ -123,12 +135,18 @@ flashcache_sync_sysctl(ctl_table *table, int write,
+ }
+ 
+ static int 
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,17,0)
++flashcache_zerostats_sysctl(struct ctl_table *table, int write,
++			    void __user *buffer, 
++			    size_t *length, loff_t *ppos)
++#else
+ flashcache_zerostats_sysctl(ctl_table *table, int write,
+ #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,32)
+ 			    struct file *file, 
+ #endif
+ 			    void __user *buffer, 
+ 			    size_t *length, loff_t *ppos)
++#endif
+ {
+ 	struct cache_c *dmc = (struct cache_c *)table->extra1;
+ 
+@@ -151,12 +169,18 @@ flashcache_zerostats_sysctl(ctl_table *table, int write,
+ }
+ 
+ static int 
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,17,0)
++flashcache_fallow_clean_speed_sysctl(struct ctl_table *table, int write,
++				     void __user *buffer, 
++				     size_t *length, loff_t *ppos)
++#else
+ flashcache_fallow_clean_speed_sysctl(ctl_table *table, int write,
+ #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,32)
+ 				     struct file *file, 
+ #endif
+ 				     void __user *buffer, 
+ 				     size_t *length, loff_t *ppos)
++#endif
+ {
+ 	struct cache_c *dmc = (struct cache_c *)table->extra1;
+ 
+@@ -176,12 +200,18 @@ flashcache_fallow_clean_speed_sysctl(ctl_table *table, int write,
+ }
+ 
+ static int
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,17,0)
++flashcache_dirty_thresh_sysctl(struct ctl_table *table, int write,
++			       void __user *buffer, 
++			       size_t *length, loff_t *ppos)
++#else
+ flashcache_dirty_thresh_sysctl(ctl_table *table, int write,
+ #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,32)
+ 			       struct file *file, 
+ #endif
+ 			       void __user *buffer, 
+ 			       size_t *length, loff_t *ppos)
++#endif
+ {
+ 	struct cache_c *dmc = (struct cache_c *)table->extra1;
+ 
+@@ -204,12 +234,18 @@ flashcache_dirty_thresh_sysctl(ctl_table *table, int write,
+ }
+ 
+ static int
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,17,0)
++flashcache_lru_hot_pct_sysctl(struct ctl_table *table, int write,
++			      void __user *buffer, 
++			      size_t *length, loff_t *ppos)
++#else
+ flashcache_lru_hot_pct_sysctl(ctl_table *table, int write,
+ #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,32)
+ 			       struct file *file, 
+ #endif
+ 			       void __user *buffer, 
+ 			       size_t *length, loff_t *ppos)
++#endif
+ {
+ 	struct cache_c *dmc = (struct cache_c *)table->extra1;
+ 
+@@ -236,10 +272,17 @@ flashcache_lru_hot_pct_sysctl(ctl_table *table, int write,
+ 
+ static struct flashcache_writeback_sysctl_table {
+ 	struct ctl_table_header *sysctl_header;
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,17,0)
++	struct ctl_table	vars[FLASHCACHE_NUM_WRITEBACK_SYSCTLS];
++	struct ctl_table	dev[2];
++	struct ctl_table	dir[2];
++	struct ctl_table	root[2];
++#else
+ 	ctl_table		vars[FLASHCACHE_NUM_WRITEBACK_SYSCTLS];
+ 	ctl_table		dev[2];
+ 	ctl_table		dir[2];
+ 	ctl_table		root[2];
++#endif
+ } flashcache_writeback_sysctl = {
+ 	.vars = {
+ 		{
+@@ -510,10 +553,17 @@ static struct flashcache_writeback_sysctl_table {
+ 
+ static struct flashcache_writethrough_sysctl_table {
+ 	struct ctl_table_header *sysctl_header;
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,17,0)
++	struct ctl_table	vars[FLASHCACHE_NUM_WRITETHROUGH_SYSCTLS];
++	struct ctl_table	dev[2];
++	struct ctl_table	dir[2];
++	struct ctl_table	root[2];
++#else
+ 	ctl_table		vars[FLASHCACHE_NUM_WRITETHROUGH_SYSCTLS];
+ 	ctl_table		dev[2];
+ 	ctl_table		dir[2];
+ 	ctl_table		root[2];
++#endif
+ } flashcache_writethrough_sysctl = {
+ 	.vars = {
+ 		{
+@@ -668,7 +718,11 @@ static struct flashcache_writethrough_sysctl_table {
+ };
+ 
+ int *
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,17,0)
++flashcache_find_sysctl_data(struct cache_c *dmc, struct ctl_table *vars)
++#else
+ flashcache_find_sysctl_data(struct cache_c *dmc, ctl_table *vars)
++#endif
+ {
+ 	if (strcmp(vars->procname, "io_latency_hist") == 0)
+ 		return &dmc->sysctl_io_latency_hist;