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NFS: Fix atime revalidation in read() 

NFSv3 will correctly update atime on a read() call, so there is no need to
set the NFS_INO_INVALID_ATIME flag unless the call to nfs_refresh_inode()
fails.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
wifi-calibration
Trond Myklebust 2007-09-28 17:20:07 -04:00
parent c481299839
commit 8850df999c
4 changed files with 6 additions and 6 deletions
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6
fs/nfs/nfs3proc.c
View File

@ -727,9 +727,9 @@ static int nfs3_read_done(struct rpc_task *task, struct nfs_read_data *data)
{
if (nfs3_async_handle_jukebox(task, data->inode))
return -EAGAIN;
/* Call back common NFS readpage processing */
if (task->tk_status >= 0)
nfs_refresh_inode(data->inode, &data->fattr);
nfs_invalidate_atime(data->inode);
nfs_refresh_inode(data->inode, &data->fattr);
return 0;
}

2
fs/nfs/nfs4proc.c
View File

@ -2396,6 +2396,8 @@ static int nfs4_read_done(struct rpc_task *task, struct nfs_read_data *data)
rpc_restart_call(task);
return -EAGAIN;
}
nfs_invalidate_atime(data->inode);
if (task->tk_status > 0)
renew_lease(server, data->timestamp);
return 0;

1
fs/nfs/proc.c
View File

@ -552,6 +552,7 @@ nfs_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle,
static int nfs_read_done(struct rpc_task *task, struct nfs_read_data *data)
{
nfs_invalidate_atime(data->inode);
if (task->tk_status >= 0) {
nfs_refresh_inode(data->inode, data->res.fattr);
/* Emulate the eof flag, which isn't normally needed in NFSv2

3
fs/nfs/read.c
View File

@ -341,9 +341,6 @@ int nfs_readpage_result(struct rpc_task *task, struct nfs_read_data *data)
set_bit(NFS_INO_STALE, &NFS_FLAGS(data->inode));
nfs_mark_for_revalidate(data->inode);
}
spin_lock(&data->inode->i_lock);
NFS_I(data->inode)->cache_validity |= NFS_INO_INVALID_ATIME;
spin_unlock(&data->inode->i_lock);
return 0;
}