kernel-ark/fs/xfs/xfs_rw.h
Eric Sandeen 9d87c3192d [XFS] Remove the rest of the macro-to-function indirections.
Remove the last of the macros-defined-to-static-functions.

Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
Reviewed-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2009-01-16 17:10:42 +11:00

88 lines
2.5 KiB
C

/*
* Copyright (c) 2000-2006 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_RW_H__
#define __XFS_RW_H__
struct xfs_buf;
struct xfs_inode;
struct xfs_mount;
/*
* Convert the given file system block to a disk block.
* We have to treat it differently based on whether the
* file is a real time file or not, because the bmap code
* does.
*/
static inline xfs_daddr_t
xfs_fsb_to_db(struct xfs_inode *ip, xfs_fsblock_t fsb)
{
return (XFS_IS_REALTIME_INODE(ip) ? \
(xfs_daddr_t)XFS_FSB_TO_BB((ip)->i_mount, (fsb)) : \
XFS_FSB_TO_DADDR((ip)->i_mount, (fsb)));
}
/*
* Flags for xfs_free_eofblocks
*/
#define XFS_FREE_EOF_LOCK (1<<0)
#define XFS_FREE_EOF_NOLOCK (1<<1)
/*
* helper function to extract extent size hint from inode
*/
STATIC_INLINE xfs_extlen_t
xfs_get_extsz_hint(
xfs_inode_t *ip)
{
xfs_extlen_t extsz;
if (unlikely(XFS_IS_REALTIME_INODE(ip))) {
extsz = (ip->i_d.di_flags & XFS_DIFLAG_EXTSIZE)
? ip->i_d.di_extsize
: ip->i_mount->m_sb.sb_rextsize;
ASSERT(extsz);
} else {
extsz = (ip->i_d.di_flags & XFS_DIFLAG_EXTSIZE)
? ip->i_d.di_extsize : 0;
}
return extsz;
}
/*
* Prototypes for functions in xfs_rw.c.
*/
extern int xfs_write_clear_setuid(struct xfs_inode *ip);
extern int xfs_write_sync_logforce(struct xfs_mount *mp, struct xfs_inode *ip);
extern int xfs_bwrite(struct xfs_mount *mp, struct xfs_buf *bp);
extern int xfs_bioerror(struct xfs_buf *bp);
extern int xfs_bioerror_relse(struct xfs_buf *bp);
extern int xfs_read_buf(struct xfs_mount *mp, xfs_buftarg_t *btp,
xfs_daddr_t blkno, int len, uint flags,
struct xfs_buf **bpp);
extern void xfs_ioerror_alert(char *func, struct xfs_mount *mp,
xfs_buf_t *bp, xfs_daddr_t blkno);
/*
* Prototypes for functions in xfs_vnodeops.c.
*/
extern int xfs_free_eofblocks(struct xfs_mount *mp, struct xfs_inode *ip,
int flags);
#endif /* __XFS_RW_H__ */