[PATCH v4] fuse: kmemcg account fs data

From: Khazhismel Kumykov
Date: Tue Sep 17 2019 - 15:36:12 EST


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 <shakeelb@xxxxxxxxxx>
Signed-off-by: Khazhismel Kumykov <khazhy@xxxxxxxxxx>
---
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