projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 2a82b8be DC |
1 | /* |
| 2 | * Copyright (c) 2006-2007 Silicon Graphics, Inc. | |
| 3 | * All Rights Reserved. | |
| 4 | * | |
| 5 | * This program is free software; you can redistribute it and/or | |
| 6 | * modify it under the terms of the GNU General Public License as | |
| 7 | * published by the Free Software Foundation. | |
| 8 | * | |
| 9 | * This program is distributed in the hope that it would be useful, | |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 | * GNU General Public License for more details. | |
| 13 | * | |
| 14 | * You should have received a copy of the GNU General Public License | |
| 15 | * along with this program; if not, write the Free Software Foundation, | |
| 16 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
| 17 | */ | |
| 18 | #ifndef __XFS_FILESTREAM_H__ | |
| 19 | #define __XFS_FILESTREAM_H__ | |
| 20 | ||
| 2a82b8be DC |
21 | struct xfs_mount; |
| 22 | struct xfs_inode; | |
| 23 | struct xfs_perag; | |
| 24 | struct xfs_bmalloca; | |
| 25 | ||
| 26 | #ifdef XFS_FILESTREAMS_TRACE | |
| 27 | #define XFS_FSTRM_KTRACE_INFO 1 | |
| 28 | #define XFS_FSTRM_KTRACE_AGSCAN 2 | |
| 29 | #define XFS_FSTRM_KTRACE_AGPICK1 3 | |
| 30 | #define XFS_FSTRM_KTRACE_AGPICK2 4 | |
| 31 | #define XFS_FSTRM_KTRACE_UPDATE 5 | |
| 32 | #define XFS_FSTRM_KTRACE_FREE 6 | |
| 33 | #define XFS_FSTRM_KTRACE_ITEM_LOOKUP 7 | |
| 34 | #define XFS_FSTRM_KTRACE_ASSOCIATE 8 | |
| 35 | #define XFS_FSTRM_KTRACE_MOVEAG 9 | |
| 36 | #define XFS_FSTRM_KTRACE_ORPHAN 10 | |
| 37 | ||
| 38 | #define XFS_FSTRM_KTRACE_SIZE 16384 | |
| 39 | extern ktrace_t *xfs_filestreams_trace_buf; | |
| 40 | ||
| 41 | #endif | |
| 42 | ||
| 2a82b8be DC |
43 | /* allocation selection flags */ |
| 44 | typedef enum xfs_fstrm_alloc { | |
| 45 | XFS_PICK_USERDATA = 1, | |
| 46 | XFS_PICK_LOWSPACE = 2, | |
| 47 | } xfs_fstrm_alloc_t; | |
| 48 | ||
| 49 | /* prototypes for filestream.c */ | |
| 50 | int xfs_filestream_init(void); | |
| 51 | void xfs_filestream_uninit(void); | |
| 52 | int xfs_filestream_mount(struct xfs_mount *mp); | |
| 53 | void xfs_filestream_unmount(struct xfs_mount *mp); | |
| 2a82b8be DC |
54 | xfs_agnumber_t xfs_filestream_lookup_ag(struct xfs_inode *ip); |
| 55 | int xfs_filestream_associate(struct xfs_inode *dip, struct xfs_inode *ip); | |
| 56 | void xfs_filestream_deassociate(struct xfs_inode *ip); | |
| 57 | int xfs_filestream_new_ag(struct xfs_bmalloca *ap, xfs_agnumber_t *agp); | |
| 58 | ||
| 59 | ||
| 60 | /* filestreams for the inode? */ | |
| b8f82a4a | 61 | static inline int |
| 2a82b8be DC |
62 | xfs_inode_is_filestream( |
| 63 | struct xfs_inode *ip) | |
| 64 | { | |
| 65 | return (ip->i_mount->m_flags & XFS_MOUNT_FILESTREAMS) || | |
| 66 | xfs_iflags_test(ip, XFS_IFILESTREAM) || | |
| 67 | (ip->i_d.di_flags & XFS_DIFLAG_FILESTREAM); | |
| 68 | } | |
| 69 | ||
| 2a82b8be | 70 | #endif /* __XFS_FILESTREAM_H__ */ |