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Commit 8b512d9a authored by Trond Myklebust's avatar Trond Myklebust
Browse files

VFS: Remove dependency of ->umount_begin() call on MNT_FORCE 



Allow filesystems to decide to perform pre-umount processing whether or not
MNT_FORCE is set.

Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent 5528f911

fs/9p/vfs_super.c

+4 −3
Original line number Diff line number Diff line
@@ -253,10 +253,11 @@ static int v9fs_show_options(struct seq_file *m, struct vfsmount *mnt) 
}



static void

v9fs_umount_begin(struct super_block *sb)

v9fs_umount_begin(struct vfsmount *vfsmnt, int flags)

{

	struct v9fs_session_info *v9ses = sb->s_fs_info;

	struct v9fs_session_info *v9ses = vfsmnt->mnt_sb->s_fs_info;



	if (flags & MNT_FORCE)

		v9fs_session_cancel(v9ses);

}

fs/cifs/cifsfs.c

+4 −2
Original line number Diff line number Diff line
@@ -402,12 +402,14 @@ static struct quotactl_ops cifs_quotactl_ops = { 
#endif



#ifdef CONFIG_CIFS_EXPERIMENTAL

static void cifs_umount_begin(struct super_block * sblock)

static void cifs_umount_begin(struct vfsmount * vfsmnt, int flags)

{

	struct cifs_sb_info *cifs_sb;

	struct cifsTconInfo * tcon;



	cifs_sb = CIFS_SB(sblock);

	if (!(flags & MNT_FORCE))

		return;

	cifs_sb = CIFS_SB(vfsmnt->mnt_sb);

	if(cifs_sb == NULL)

		return;

fs/fuse/inode.c

+3 −2
Original line number Diff line number Diff line
@@ -195,9 +195,10 @@ struct inode *fuse_iget(struct super_block *sb, unsigned long nodeid, 
	return inode;

}



static void fuse_umount_begin(struct super_block *sb)

static void fuse_umount_begin(struct vfsmount *vfsmnt, int flags)

{

	fuse_abort_conn(get_fuse_conn_super(sb));

	if (flags & MNT_FORCE)

		fuse_abort_conn(get_fuse_conn_super(vfsmnt->mnt_sb));

}



static void fuse_put_super(struct super_block *sb)

fs/namespace.c

+2 −2
Original line number Diff line number Diff line
@@ -576,8 +576,8 @@ static int do_umount(struct vfsmount *mnt, int flags) 
	 */



	lock_kernel();

	if ((flags & MNT_FORCE) && sb->s_op->umount_begin)

		sb->s_op->umount_begin(sb);

	if (sb->s_op->umount_begin)

		sb->s_op->umount_begin(mnt, flags);

	unlock_kernel();



	/*

fs/nfs/inode.c

+9 −5
Original line number Diff line number Diff line
@@ -63,7 +63,7 @@ static struct inode *nfs_alloc_inode(struct super_block *sb); 
static void nfs_destroy_inode(struct inode *);

static int nfs_write_inode(struct inode *,int);

static void nfs_clear_inode(struct inode *);

static void nfs_umount_begin(struct super_block *);

static void nfs_umount_begin(struct vfsmount *, int);

static int  nfs_statfs(struct super_block *, struct kstatfs *);

static int  nfs_show_options(struct seq_file *, struct vfsmount *);

static int  nfs_show_stats(struct seq_file *, struct vfsmount *);
@@ -162,15 +162,19 @@ nfs_clear_inode(struct inode *inode) 
	BUG_ON(atomic_read(&nfsi->data_updates) != 0);

}



void

nfs_umount_begin(struct super_block *sb)

static void nfs_umount_begin(struct vfsmount *vfsmnt, int flags)

{

	struct rpc_clnt	*rpc = NFS_SB(sb)->client;

	struct nfs_server *server;

	struct rpc_clnt	*rpc;



	if (!(flags & MNT_FORCE))

		return;

	/* -EIO all pending I/O */

	server = NFS_SB(vfsmnt->mnt_sb);

	rpc = server->client;

	if (!IS_ERR(rpc))

		rpc_killall_tasks(rpc);

	rpc = NFS_SB(sb)->client_acl;

	rpc = server->client_acl;

	if (!IS_ERR(rpc))

		rpc_killall_tasks(rpc);

}