| /* |
| * Copyright (c) 2006-2007 Silicon Graphics, Inc. |
| * All Rights Reserved. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it would be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| #ifndef __XFS_FILESTREAM_H__ |
| #define __XFS_FILESTREAM_H__ |
| |
| #ifdef __KERNEL__ |
| |
| struct xfs_mount; |
| struct xfs_inode; |
| struct xfs_perag; |
| struct xfs_bmalloca; |
| |
| #ifdef XFS_FILESTREAMS_TRACE |
| #define XFS_FSTRM_KTRACE_INFO 1 |
| #define XFS_FSTRM_KTRACE_AGSCAN 2 |
| #define XFS_FSTRM_KTRACE_AGPICK1 3 |
| #define XFS_FSTRM_KTRACE_AGPICK2 4 |
| #define XFS_FSTRM_KTRACE_UPDATE 5 |
| #define XFS_FSTRM_KTRACE_FREE 6 |
| #define XFS_FSTRM_KTRACE_ITEM_LOOKUP 7 |
| #define XFS_FSTRM_KTRACE_ASSOCIATE 8 |
| #define XFS_FSTRM_KTRACE_MOVEAG 9 |
| #define XFS_FSTRM_KTRACE_ORPHAN 10 |
| |
| #define XFS_FSTRM_KTRACE_SIZE 16384 |
| extern ktrace_t *xfs_filestreams_trace_buf; |
| |
| #endif |
| |
| /* allocation selection flags */ |
| typedef enum xfs_fstrm_alloc { |
| XFS_PICK_USERDATA = 1, |
| XFS_PICK_LOWSPACE = 2, |
| } xfs_fstrm_alloc_t; |
| |
| /* prototypes for filestream.c */ |
| int xfs_filestream_init(void); |
| void xfs_filestream_uninit(void); |
| int xfs_filestream_mount(struct xfs_mount *mp); |
| void xfs_filestream_unmount(struct xfs_mount *mp); |
| xfs_agnumber_t xfs_filestream_lookup_ag(struct xfs_inode *ip); |
| int xfs_filestream_associate(struct xfs_inode *dip, struct xfs_inode *ip); |
| void xfs_filestream_deassociate(struct xfs_inode *ip); |
| int xfs_filestream_new_ag(struct xfs_bmalloca *ap, xfs_agnumber_t *agp); |
| |
| |
| /* filestreams for the inode? */ |
| static inline int |
| xfs_inode_is_filestream( |
| struct xfs_inode *ip) |
| { |
| return (ip->i_mount->m_flags & XFS_MOUNT_FILESTREAMS) || |
| xfs_iflags_test(ip, XFS_IFILESTREAM) || |
| (ip->i_d.di_flags & XFS_DIFLAG_FILESTREAM); |
| } |
| |
| #endif /* __KERNEL__ */ |
| |
| #endif /* __XFS_FILESTREAM_H__ */ |
