diff options
author | Dave Chinner <dchinner@redhat.com> | 2013-08-12 20:49:35 +1000 |
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committer | Ben Myers <bpm@sgi.com> | 2013-08-12 16:39:05 -0500 |
commit | 1fd7115eda5661e872463694fc4a12821c4f914a (patch) | |
tree | 147f8c4d1f4fac5c7f876e96ae4a4c8d201972f4 /fs/xfs/xfs_inode_buf.h | |
parent | 7bb85ef3608bf740e285b4436776526b7afd4903 (diff) |
xfs: introduce xfs_inode_buf.c for inode buffer operations
The only thing remaining in xfs_inode.[ch] are the operations that
read, write or verify physical inodes in their underlying buffers.
Move all this code to xfs_inode_buf.[ch] and so we can stop sharing
xfs_inode.[ch] with userspace.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_inode_buf.h')
-rw-r--r-- | fs/xfs/xfs_inode_buf.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/fs/xfs/xfs_inode_buf.h b/fs/xfs/xfs_inode_buf.h new file mode 100644 index 000000000000..b5f1e22bf44e --- /dev/null +++ b/fs/xfs/xfs_inode_buf.h @@ -0,0 +1,53 @@ +/* + * Copyright (c) 2000-2003,2005 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_INODE_BUF_H__ +#define __XFS_INODE_BUF_H__ + +struct xfs_inode; +struct xfs_dinode; +struct xfs_icdinode; + +/* + * Inode location information. Stored in the inode and passed to + * xfs_imap_to_bp() to get a buffer and dinode for a given inode. + */ +struct xfs_imap { + xfs_daddr_t im_blkno; /* starting BB of inode chunk */ + ushort im_len; /* length in BBs of inode chunk */ + ushort im_boffset; /* inode offset in block in bytes */ +}; + +int xfs_imap_to_bp(struct xfs_mount *, struct xfs_trans *, + struct xfs_imap *, struct xfs_dinode **, + struct xfs_buf **, uint, uint); +int xfs_iread(struct xfs_mount *, struct xfs_trans *, + struct xfs_inode *, uint); +void xfs_dinode_calc_crc(struct xfs_mount *, struct xfs_dinode *); +void xfs_dinode_to_disk(struct xfs_dinode *, + struct xfs_icdinode *); +bool xfs_can_free_eofblocks(struct xfs_inode *, bool); + +#if defined(DEBUG) +void xfs_inobp_check(struct xfs_mount *, struct xfs_buf *); +#else +#define xfs_inobp_check(mp, bp) +#endif /* DEBUG */ + +extern const struct xfs_buf_ops xfs_inode_buf_ops; + +#endif /* __XFS_INODE_BUF_H__ */ |