4 files changed, 7 insertions, 5 deletions

diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index d2003cdc36aa..db35cfdb3c8b 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -609,8 +609,8 @@ int ext4_has_free_blocks(struct ext4_sb_info *sbi, s64 nblocks)
 
         if (free_blocks - (nblocks + root_blocks + dirty_blocks) <
                                                 EXT4_FREEBLOCKS_WATERMARK) {
-                free_blocks  = percpu_counter_sum(fbc);
-                dirty_blocks = percpu_counter_sum(dbc);
+                free_blocks  = percpu_counter_sum_positive(fbc);
+                dirty_blocks = percpu_counter_sum_positive(dbc);
                 if (dirty_blocks < 0) {
                         printk(KERN_CRIT "Dirty block accounting "
                                         "went wrong %lld\n",
diff --git a/fs/inotify.c b/fs/inotify.c
index 7bbed1b89825..dae3f28f30d4 100644
--- a/fs/inotify.c
+++ b/fs/inotify.c
@@ -428,11 +428,13 @@ void inotify_unmount_inodes(struct list_head *list)
                 watches = &inode->inotify_watches;
                 list_for_each_entry_safe(watch, next_w, watches, i_list) {
                         struct inotify_handle *ih= watch->ih;
+                        get_inotify_watch(watch);
                         mutex_lock(&ih->mutex);
                         ih->in_ops->handle_event(watch, watch->wd, IN_UNMOUNT, 0,
                                                  NULL, NULL);
                         inotify_remove_watch_locked(ih, watch);
                         mutex_unlock(&ih->mutex);
+                        put_inotify_watch(watch);
                 }
                 mutex_unlock(&inode->inotify_mutex);
                 iput(inode);            
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 486cf3fe7139..d4677603c889 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -371,7 +371,7 @@ static int lstats_show_proc(struct seq_file *m, void *v)
                                 task->latency_record[i].time,
                                 task->latency_record[i].max);
                         for (q = 0; q < LT_BACKTRACEDEPTH; q++) {
-                                char sym[KSYM_NAME_LEN];
+                                char sym[KSYM_SYMBOL_LEN];
                                 char *c;
                                 if (!task->latency_record[i].backtrace[q])
                                         break;
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index b770c095e45c..3a8bdd7f5756 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -557,9 +557,9 @@ static u64 swap_pte_to_pagemap_entry(pte_t pte)
         return swp_type(e) | (swp_offset(e) << MAX_SWAPFILES_SHIFT);
 }
 
-static unsigned long pte_to_pagemap_entry(pte_t pte)
+static u64 pte_to_pagemap_entry(pte_t pte)
 {
-        unsigned long pme = 0;
+        u64 pme = 0;
         if (is_swap_pte(pte))
                 pme = PM_PFRAME(swap_pte_to_pagemap_entry(pte))
                         | PM_PSHIFT(PAGE_SHIFT) | PM_SWAP;