/*
- * Copyright (c) 2000-2003 Silicon Graphics, Inc. All Rights Reserved.
+ * 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 version 2 of the GNU General Public License as
+ * 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.
+ * 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.
*
- * Further, this software is distributed without any warranty that it is
- * free of the rightful claim of any third person regarding infringement
- * or the like. Any license provided herein, whether implied or
- * otherwise, applies only to this software file. Patent licenses, if
- * any, provided herein do not apply to combinations of this program with
- * other software, or any other product whatsoever.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
- * Mountain View, CA 94043, or:
- *
- * http://www.sgi.com
- *
- * For further information regarding this notice, see:
- *
- * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
+ * 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_BMAP_H__
#define __XFS_BMAP_H__
struct getbmap;
struct xfs_bmbt_irec;
+struct xfs_ifork;
struct xfs_inode;
struct xfs_mount;
struct xfs_trans;
#define XFS_BMAPI_IGSTATE 0x200 /* Ignore state - */
/* combine contig. space */
#define XFS_BMAPI_CONTIG 0x400 /* must allocate only one extent */
+/* XFS_BMAPI_DIRECT_IO 0x800 */
+#define XFS_BMAPI_CONVERT 0x1000 /* unwritten extent conversion - */
+ /* need write cache flushing and no */
+ /* additional allocation alignments */
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BMAPI_AFLAG)
-int xfs_bmapi_aflag(int w);
#define XFS_BMAPI_AFLAG(w) xfs_bmapi_aflag(w)
-#else
-#define XFS_BMAPI_AFLAG(w) ((w) == XFS_ATTR_FORK ? XFS_BMAPI_ATTRFORK : 0)
-#endif
+static inline int xfs_bmapi_aflag(int w)
+{
+ return (w == XFS_ATTR_FORK ? XFS_BMAPI_ATTRFORK : 0);
+}
/*
* Special values for xfs_bmbt_irec_t br_startblock field.
#define DELAYSTARTBLOCK ((xfs_fsblock_t)-1LL)
#define HOLESTARTBLOCK ((xfs_fsblock_t)-2LL)
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BMAP_INIT)
-void xfs_bmap_init(xfs_bmap_free_t *flp, xfs_fsblock_t *fbp);
#define XFS_BMAP_INIT(flp,fbp) xfs_bmap_init(flp,fbp)
-#else
-#define XFS_BMAP_INIT(flp,fbp) \
+static inline void xfs_bmap_init(xfs_bmap_free_t *flp, xfs_fsblock_t *fbp)
+{
((flp)->xbf_first = NULL, (flp)->xbf_count = 0, \
- (flp)->xbf_low = 0, *(fbp) = NULLFSBLOCK)
-#endif
+ (flp)->xbf_low = 0, *(fbp) = NULLFSBLOCK);
+}
/*
* Argument structure for xfs_bmap_alloc.
char wasdel; /* replacing a delayed allocation */
char userdata;/* set if is user data */
char low; /* low on space, using seq'l ags */
- char aeof; /* allocated space at eof */
+ char aeof; /* allocated space at eof */
+ char conv; /* overwriting unwritten extents */
} xfs_bmalloca_t;
#ifdef __KERNEL__
int /* error code */
xfs_bmap_add_attrfork(
struct xfs_inode *ip, /* incore inode pointer */
- int rsvd); /* flag for reserved block allocation */
+ int size, /* space needed for new attribute */
+ int rsvd); /* flag for reserved block allocation */
/*
* Add the extent to the list of extents to be free at transaction end.
void __user *ap, /* pointer to user's array */
int iflags); /* interface flags */
-/*
- * Check the last inode extent to determine whether this allocation will result
- * in blocks being allocated at the end of the file. When we allocate new data
- * blocks at the end of the file which do not start at the previous data block,
- * we will try to align the new blocks at stripe unit boundaries.
- */
-int
-xfs_bmap_isaeof(
- struct xfs_inode *ip,
- xfs_fileoff_t off,
- int whichfork,
- char *aeof);
-
/*
* Check if the endoff is outside the last extent. If so the caller will grow
* the allocation to a stripe unit boundary
*/
int
xfs_check_nostate_extents(
- xfs_bmbt_rec_t *ep,
+ struct xfs_ifork *ifp,
+ xfs_extnum_t idx,
xfs_extnum_t num);
+/*
+ * Search the extent records for the entry containing block bno.
+ * If bno lies in a hole, point to the next entry. If bno lies
+ * past eof, *eofp will be set, and *prevp will contain the last
+ * entry (null if none). Else, *lastxp will be set to the index
+ * of the found entry; *gotp will contain the entry.
+ */
+xfs_bmbt_rec_t *
+xfs_bmap_search_multi_extents(struct xfs_ifork *, xfs_fileoff_t, int *,
+ xfs_extnum_t *, xfs_bmbt_irec_t *, xfs_bmbt_irec_t *);
+
#endif /* __KERNEL__ */
#endif /* __XFS_BMAP_H__ */
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