treewide: Add __GFP_NOWARN to k.alloc calls with v.alloc fallbacks

Don't emit OOM warnings when k.alloc calls fail when
there there is a v.alloc immediately afterwards.

Converted a kmalloc/vmalloc with memset to kzalloc/vzalloc.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

3 files changed, 4 insertions, 4 deletions

diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index d3f3b43cae0b..2e14fd89a8b4 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -219,7 +219,7 @@ static int fs_path_ensure_buf(struct fs_path *p, int len)
         len = PAGE_ALIGN(len);
 
         if (p->buf == p->inline_buf) {
-                tmp_buf = kmalloc(len, GFP_NOFS);
+                tmp_buf = kmalloc(len, GFP_NOFS | __GFP_NOWARN);
                 if (!tmp_buf) {
                         tmp_buf = vmalloc(len);
                         if (!tmp_buf)
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index bca26f34edf4..ffdfe385b029 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -162,7 +162,7 @@ void *ext4_kvmalloc(size_t size, gfp_t flags)
 {
         void *ret;
 
-        ret = kmalloc(size, flags);
+        ret = kmalloc(size, flags | __GFP_NOWARN);
         if (!ret)
                 ret = __vmalloc(size, flags, PAGE_KERNEL);
         return ret;
@@ -172,7 +172,7 @@ void *ext4_kvzalloc(size_t size, gfp_t flags)
 {
         void *ret;
 
-        ret = kzalloc(size, flags);
+        ret = kzalloc(size, flags | __GFP_NOWARN);
         if (!ret)
                 ret = __vmalloc(size, flags | __GFP_ZERO, PAGE_KERNEL);
         return ret;
diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c
index 0cb4c1557f20..2e5fc268d324 100644
--- a/fs/gfs2/dir.c
+++ b/fs/gfs2/dir.c
@@ -1859,7 +1859,7 @@ static int leaf_dealloc(struct gfs2_inode *dip, u32 index, u32 len,
 
         memset(&rlist, 0, sizeof(struct gfs2_rgrp_list));
 
-        ht = kzalloc(size, GFP_NOFS);
+        ht = kzalloc(size, GFP_NOFS | __GFP_NOWARN);
         if (ht == NULL)
                 ht = vzalloc(size);
         if (!ht)