X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=fs%2Fxfs%2Fxfs_rw.h;h=f87db5344ce61145857566ec0a54c116e37b7482;hb=67acd8b4b7a3f1b183ae358e1dfdb8a80e170736;hp=e63795644478766d6a5956da20891b4b732ba70f;hpb=d42510a0f58c2583c37c8e9b7548e3a68545863a;p=linux-2.6-omap-h63xx.git

diff --git a/fs/xfs/xfs_rw.h b/fs/xfs/xfs_rw.h
index e6379564447..f87db5344ce 100644
--- a/fs/xfs/xfs_rw.h
+++ b/fs/xfs/xfs_rw.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
+ * Copyright (c) 2000-2006 Silicon Graphics, Inc.
  * All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or
@@ -22,32 +22,6 @@ struct xfs_buf;
 struct xfs_inode;
 struct xfs_mount;
 
-/*
- * Maximum count of bmaps used by read and write paths.
- */
-#define	XFS_MAX_RW_NBMAPS	4
-
-/*
- * Counts of readahead buffers to use based on physical memory size.
- * None of these should be more than XFS_MAX_RW_NBMAPS.
- */
-#define	XFS_RW_NREADAHEAD_16MB	2
-#define	XFS_RW_NREADAHEAD_32MB	3
-#define	XFS_RW_NREADAHEAD_K32	4
-#define	XFS_RW_NREADAHEAD_K64	4
-
-/*
- * Maximum size of a buffer that we\'ll map.  Making this
- * too big will degrade performance due to the number of
- * pages which need to be gathered.  Making it too small
- * will prevent us from doing large I/O\'s to hardware that
- * needs it.
- *
- * This is currently set to 512 KB.
- */
-#define	XFS_MAX_BMAP_LEN_BB	1024
-#define	XFS_MAX_BMAP_LEN_BYTES	524288
-
 /*
  * Convert the given file system block to a disk block.
  * We have to treat it differently based on whether the
@@ -58,23 +32,44 @@ struct xfs_mount;
 static inline xfs_daddr_t
 xfs_fsb_to_db(struct xfs_inode *ip, xfs_fsblock_t fsb)
 {
-	return (((ip)->i_d.di_flags & XFS_DIFLAG_REALTIME) ? \
+	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)));
 }
-#define XFS_FSB_TO_DB_IO(io,fsb) xfs_fsb_to_db_io(io,fsb)
-static inline xfs_daddr_t
-xfs_fsb_to_db_io(struct xfs_iocore *io, xfs_fsblock_t 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)
 {
-	return (((io)->io_flags & XFS_IOCORE_RT) ? \
-		 XFS_FSB_TO_BB((io)->io_mount, (fsb)) : \
-		 XFS_FSB_TO_DADDR((io)->io_mount, (fsb)));
+	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);
@@ -87,12 +82,7 @@ extern void xfs_ioerror_alert(char *func, struct xfs_mount *mp,
 /*
  * Prototypes for functions in xfs_vnodeops.c.
  */
-extern int xfs_rwlock(bhv_desc_t *bdp, vrwlock_t write_lock);
-extern void xfs_rwunlock(bhv_desc_t *bdp, vrwlock_t write_lock);
-extern int xfs_setattr(bhv_desc_t *bdp, vattr_t *vap, int flags, cred_t *credp);
-extern int xfs_change_file_space(bhv_desc_t *bdp, int cmd, xfs_flock64_t *bf,
-				 xfs_off_t offset, cred_t *credp, int flags);
-extern int xfs_set_dmattrs(bhv_desc_t *bdp, u_int evmask, u_int16_t state,
-			   cred_t *credp);
+extern int xfs_free_eofblocks(struct xfs_mount *mp, struct xfs_inode *ip,
+			int flags);
 
 #endif /* __XFS_RW_H__ */