diff options
Diffstat (limited to 'fs/nfs/nfs42proc.c')
| -rw-r--r-- | fs/nfs/nfs42proc.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c index b9aa6bbcc8ed..3a9e75235f30 100644 --- a/fs/nfs/nfs42proc.c +++ b/fs/nfs/nfs42proc.c @@ -96,9 +96,13 @@ int nfs42_proc_allocate(struct file *filep, loff_t offset, loff_t len) if (!nfs_server_capable(inode, NFS_CAP_ALLOCATE)) return -EOPNOTSUPP; + mutex_lock(&inode->i_mutex); + err = nfs42_proc_fallocate(&msg, filep, offset, len); if (err == -EOPNOTSUPP) NFS_SERVER(inode)->caps &= ~NFS_CAP_ALLOCATE; + + mutex_unlock(&inode->i_mutex); return err; } @@ -114,11 +118,15 @@ int nfs42_proc_deallocate(struct file *filep, loff_t offset, loff_t len) return -EOPNOTSUPP; nfs_wb_all(inode); + mutex_lock(&inode->i_mutex); + err = nfs42_proc_fallocate(&msg, filep, offset, len); if (err == 0) truncate_pagecache_range(inode, offset, (offset + len) -1); if (err == -EOPNOTSUPP) NFS_SERVER(inode)->caps &= ~NFS_CAP_DEALLOCATE; + + mutex_unlock(&inode->i_mutex); return err; } |