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NFSv4: Charge NFSv4 open state trackers to kmemcg

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Allow kmemcg to limit the number of NFSv4 delegation, lock and open
state trackers.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust 2022-01-29 13:42:01 -05:00
parent d7867712d8
commit 9c00fd9acb
2 changed files with 5 additions and 4 deletions
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2
fs/nfs/delegation.c
View File

@ -439,7 +439,7 @@ int nfs_inode_set_delegation(struct inode *inode, const struct cred *cred,
struct nfs_delegation *freeme = NULL;
int status = 0;
delegation = kmalloc(sizeof(*delegation), GFP_NOFS);
delegation = kmalloc(sizeof(*delegation), GFP_KERNEL_ACCOUNT);
if (delegation == NULL)
return -ENOMEM;
nfs4_stateid_copy(&delegation->stateid, stateid);

7
fs/nfs/nfs4state.c
View File

@ -667,7 +667,7 @@ nfs4_alloc_open_state(void)
{
struct nfs4_state *state;
state = kzalloc(sizeof(*state), GFP_NOFS);
state = kzalloc(sizeof(*state), GFP_KERNEL_ACCOUNT);
if (!state)
return NULL;
refcount_set(&state->count, 1);
@ -870,14 +870,15 @@ static struct nfs4_lock_state *nfs4_alloc_lock_state(struct nfs4_state *state, f
struct nfs4_lock_state *lsp;
struct nfs_server *server = state->owner->so_server;
lsp = kzalloc(sizeof(*lsp), GFP_NOFS);
lsp = kzalloc(sizeof(*lsp), GFP_KERNEL_ACCOUNT);
if (lsp == NULL)
return NULL;
nfs4_init_seqid_counter(&lsp->ls_seqid);
refcount_set(&lsp->ls_count, 1);
lsp->ls_state = state;
lsp->ls_owner = fl_owner;
lsp->ls_seqid.owner_id = ida_simple_get(&server->lockowner_id, 0, 0, GFP_NOFS);
lsp->ls_seqid.owner_id = ida_simple_get(&server->lockowner_id,
0, 0, GFP_KERNEL_ACCOUNT);
if (lsp->ls_seqid.owner_id < 0)
goto out_free;
INIT_LIST_HEAD(&lsp->ls_locks);