4 files changed, 19 insertions, 3 deletions

diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 4fb86a0061d..f18a919be70 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -715,6 +715,13 @@ struct inode *ext4_new_inode(handle_t *handle, struct inode *dir, int mode)
 
         if (sbi->s_log_groups_per_flex) {
                 ret2 = find_group_flex(sb, dir, &group);
+                if (ret2 == -1) {
+                        ret2 = find_group_other(sb, dir, &group);
+                        if (ret2 == 0 && printk_ratelimit())
+                                printk(KERN_NOTICE "ext4: find_group_flex "
+                                       "failed, fallback succeeded dir %lu\n",
+                                       dir->i_ino);
+                }
                 goto got_group;
         }
 
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index cbd2ca99d11..51cdd13e1c3 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1368,6 +1368,10 @@ retry:
                 goto out;
         }
 
+        /* We cannot recurse into the filesystem as the transaction is already
+         * started */
+        flags |= AOP_FLAG_NOFS;
+
         page = grab_cache_page_write_begin(mapping, index, flags);
         if (!page) {
                 ext4_journal_stop(handle);
@@ -1377,7 +1381,7 @@ retry:
         *pagep = page;
 
         ret = block_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
-                                                        ext4_get_block);
+                                ext4_get_block);
 
         if (!ret && ext4_should_journal_data(inode)) {
                 ret = walk_page_buffers(handle, page_buffers(page),
@@ -2667,6 +2671,9 @@ retry:
                 ret = PTR_ERR(handle);
                 goto out;
         }
+        /* We cannot recurse into the filesystem as the transaction is already
+         * started */
+        flags |= AOP_FLAG_NOFS;
 
         page = grab_cache_page_write_begin(mapping, index, flags);
         if (!page) {
diff --git a/fs/proc/inode.c b/fs/proc/inode.c
index 3e76bb9b3ad..d8bb5c671f4 100644
--- a/fs/proc/inode.c
+++ b/fs/proc/inode.c
@@ -485,8 +485,10 @@ struct inode *proc_get_inode(struct super_block *sb, unsigned int ino,
                         }
                 }
                 unlock_new_inode(inode);
-        } else
+        } else {
                module_put(de->owner);
+               de_put(de);
+        }
         return inode;
 
 out_ino:
diff --git a/fs/proc/page.c b/fs/proc/page.c
index 767d95a6d1b..2d1345112a4 100644
--- a/fs/proc/page.c
+++ b/fs/proc/page.c
@@ -107,7 +107,7 @@ static ssize_t kpageflags_read(struct file *file, char __user *buf,
                 else
                         kflags = ppage->flags;
 
-                uflags = kpf_copy_bit(KPF_LOCKED, PG_locked, kflags) |
+                uflags = kpf_copy_bit(kflags, KPF_LOCKED, PG_locked) |
                         kpf_copy_bit(kflags, KPF_ERROR, PG_error) |
                         kpf_copy_bit(kflags, KPF_REFERENCED, PG_referenced) |
                         kpf_copy_bit(kflags, KPF_UPTODATE, PG_uptodate) |