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NFS: Charge open/lock file contexts to kmemcg

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Allow kmemcg to limit the number of open/lock file contexts, in the same
way that it limits the parent file descriptors.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust 2022-01-29 13:04:10 -05:00
parent 3e17898aca
commit d7867712d8
2 changed files with 3 additions and 3 deletions
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2
fs/nfs/dir.c
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@ -73,7 +73,7 @@ static struct nfs_open_dir_context *alloc_nfs_open_dir_context(struct inode *dir
{
struct nfs_inode *nfsi = NFS_I(dir);
struct nfs_open_dir_context *ctx;
ctx = kmalloc(sizeof(*ctx), GFP_KERNEL);
ctx = kmalloc(sizeof(*ctx), GFP_KERNEL_ACCOUNT);
if (ctx != NULL) {
ctx->duped = 0;
ctx->attr_gencount = nfsi->attr_gencount;

4
fs/nfs/inode.c
View file

@ -952,7 +952,7 @@ struct nfs_lock_context *nfs_get_lock_context(struct nfs_open_context *ctx)
res = __nfs_find_lock_context(ctx);
rcu_read_unlock();
if (res == NULL) {
new = kmalloc(sizeof(*new), GFP_KERNEL);
new = kmalloc(sizeof(*new), GFP_KERNEL_ACCOUNT);
if (new == NULL)
return ERR_PTR(-ENOMEM);
nfs_init_lock_context(new);
@ -1030,7 +1030,7 @@ struct nfs_open_context *alloc_nfs_open_context(struct dentry *dentry,
{
struct nfs_open_context *ctx;
ctx = kmalloc(sizeof(*ctx), GFP_KERNEL);
ctx = kmalloc(sizeof(*ctx), GFP_KERNEL_ACCOUNT);
if (!ctx)
return ERR_PTR(-ENOMEM);
nfs_sb_active(dentry->d_sb);