[PATCH v4] fuse: kmemcg account fs data

[Khazhismel Kumykov]

account per-file, dentry, and inode data

blockdev/superblock and temporary per-request data was left alone, as
this usually isn't accounted

Reviewed-by: Shakeel Butt <shake...@google.com>
Signed-off-by: Khazhismel Kumykov <kha...@google.com>
---
 fs/fuse/dir.c   | 3 ++-
 fs/fuse/file.c  | 5 +++--
 fs/fuse/inode.c | 2 +-
 3 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 58557d4817e9..d572c900bb0f 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -279,7 +279,8 @@ static int fuse_dentry_revalidate(struct dentry *entry, 
unsigned int flags)
 #if BITS_PER_LONG < 64
 static int fuse_dentry_init(struct dentry *dentry)
 {
-       dentry->d_fsdata = kzalloc(sizeof(union fuse_dentry), GFP_KERNEL);
+       dentry->d_fsdata = kzalloc(sizeof(union fuse_dentry),
+                                  GFP_KERNEL_ACCOUNT | __GFP_RECLAIMABLE);
 
        return dentry->d_fsdata ? 0 : -ENOMEM;
 }
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 8c7578b95d2c..0f0225686aee 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -63,12 +63,13 @@ struct fuse_file *fuse_file_alloc(struct fuse_conn *fc)
 {
        struct fuse_file *ff;
 
-       ff = kzalloc(sizeof(struct fuse_file), GFP_KERNEL);
+       ff = kzalloc(sizeof(struct fuse_file), GFP_KERNEL_ACCOUNT);
        if (unlikely(!ff))
                return NULL;
 
        ff->fc = fc;
-       ff->release_args = kzalloc(sizeof(*ff->release_args), GFP_KERNEL);
+       ff->release_args = kzalloc(sizeof(*ff->release_args),
+                                  GFP_KERNEL_ACCOUNT);
        if (!ff->release_args) {
                kfree(ff);
                return NULL;
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 3d598a5bb5b5..e040e2a2b621 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -66,7 +66,7 @@ static struct file_system_type fuseblk_fs_type;
 
 struct fuse_forget_link *fuse_alloc_forget(void)
 {
-       return kzalloc(sizeof(struct fuse_forget_link), GFP_KERNEL);
+       return kzalloc(sizeof(struct fuse_forget_link), GFP_KERNEL_ACCOUNT);
 }
 
 static struct inode *fuse_alloc_inode(struct super_block *sb)
-- 
2.23.0.237.gc6a4ce50a0-goog