diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/cifs/file.c | 4 | ||||
| -rw-r--r-- | fs/nfs/file.c | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 14d29404c834..794e2cc23e3f 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -4905,6 +4905,10 @@ static int cifs_swap_activate(struct swap_info_struct *sis, cifs_dbg(FYI, "swap activate\n"); + if (!swap_file->f_mapping->a_ops->swap_rw) + /* Cannot support swap */ + return -EINVAL; + spin_lock(&inode->i_lock); blocks = inode->i_blocks; isize = inode->i_size; diff --git a/fs/nfs/file.c b/fs/nfs/file.c index a3a073604070..55bc8c8ca71a 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -488,6 +488,10 @@ static int nfs_swap_activate(struct swap_info_struct *sis, struct file *file, struct rpc_clnt *clnt = NFS_CLIENT(inode); struct nfs_client *cl = NFS_SERVER(inode)->nfs_client; + if (!file->f_mapping->a_ops->swap_rw) + /* Cannot support swap */ + return -EINVAL; + spin_lock(&inode->i_lock); blocks = inode->i_blocks; isize = inode->i_size; |