xref: /OK3568_Linux_fs/kernel/fs/xfs/xfs_filestream.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Copyright (c) 2006-2007 Silicon Graphics, Inc.
4*4882a593Smuzhiyun  * All Rights Reserved.
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun #ifndef __XFS_FILESTREAM_H__
7*4882a593Smuzhiyun #define __XFS_FILESTREAM_H__
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun struct xfs_mount;
10*4882a593Smuzhiyun struct xfs_inode;
11*4882a593Smuzhiyun struct xfs_bmalloca;
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun int xfs_filestream_mount(struct xfs_mount *mp);
14*4882a593Smuzhiyun void xfs_filestream_unmount(struct xfs_mount *mp);
15*4882a593Smuzhiyun void xfs_filestream_deassociate(struct xfs_inode *ip);
16*4882a593Smuzhiyun xfs_agnumber_t xfs_filestream_lookup_ag(struct xfs_inode *ip);
17*4882a593Smuzhiyun int xfs_filestream_new_ag(struct xfs_bmalloca *ap, xfs_agnumber_t *agp);
18*4882a593Smuzhiyun int xfs_filestream_peek_ag(struct xfs_mount *mp, xfs_agnumber_t agno);
19*4882a593Smuzhiyun 
20*4882a593Smuzhiyun static inline int
xfs_inode_is_filestream(struct xfs_inode * ip)21*4882a593Smuzhiyun xfs_inode_is_filestream(
22*4882a593Smuzhiyun 	struct xfs_inode	*ip)
23*4882a593Smuzhiyun {
24*4882a593Smuzhiyun 	return (ip->i_mount->m_flags & XFS_MOUNT_FILESTREAMS) ||
25*4882a593Smuzhiyun 		(ip->i_d.di_flags & XFS_DIFLAG_FILESTREAM);
26*4882a593Smuzhiyun }
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun #endif /* __XFS_FILESTREAM_H__ */
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