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[PATCH] kill unused IOMAP_EOF flag

To: xfs@xxxxxxxxxxx
Subject: [PATCH] kill unused IOMAP_EOF flag
From: Christoph Hellwig <hch@xxxxxx>
Date: Sun, 19 Aug 2007 21:40:23 +0200
Sender: xfs-bounce@xxxxxxxxxxx
User-agent: Mutt/1.3.28i
Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Index: linux-2.6-xfs/fs/xfs/xfs_iomap.c
===================================================================
--- linux-2.6-xfs.orig/fs/xfs/xfs_iomap.c       2007-08-13 18:34:23.000000000 
+0200
+++ linux-2.6-xfs/fs/xfs/xfs_iomap.c    2007-08-13 18:34:49.000000000 +0200
@@ -135,14 +135,10 @@ xfs_imap_to_bmap(
        int             flags)
 {
        xfs_mount_t     *mp;
-       xfs_fsize_t     nisize;
        int             pbm;
        xfs_fsblock_t   start_block;
 
        mp = io->io_mount;
-       nisize = XFS_SIZE(mp, io);
-       if (io->io_new_size > nisize)
-               nisize = io->io_new_size;
 
        for (pbm = 0; imaps && pbm < iomaps; imaps--, iomapp++, imap++, pbm++) {
                iomapp->iomap_offset = XFS_FSB_TO_B(mp, imap->br_startoff);
@@ -169,10 +165,6 @@ xfs_imap_to_bmap(
                                iomapp->iomap_flags |= IOMAP_UNWRITTEN;
                }
 
-               if ((iomapp->iomap_offset + iomapp->iomap_bsize) >= nisize) {
-                       iomapp->iomap_flags |= IOMAP_EOF;
-               }
-
                offset += iomapp->iomap_bsize - iomapp->iomap_delta;
        }
        return pbm;     /* Return the number filled */
Index: linux-2.6-xfs/fs/xfs/xfs_iomap.h
===================================================================
--- linux-2.6-xfs.orig/fs/xfs/xfs_iomap.h       2007-08-13 18:34:23.000000000 
+0200
+++ linux-2.6-xfs/fs/xfs/xfs_iomap.h    2007-08-13 18:34:29.000000000 +0200
@@ -23,7 +23,6 @@
 
 typedef enum {                         /* iomap_flags values */
        IOMAP_READ =            0,      /* mapping for a read */
-       IOMAP_EOF =             0x01,   /* mapping contains EOF   */
        IOMAP_HOLE =            0x02,   /* mapping covers a hole  */
        IOMAP_DELAY =           0x04,   /* mapping covers delalloc region  */
        IOMAP_REALTIME =        0x10,   /* mapping on the realtime device  */


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