[XFS] Remove dead code in xfs_iomap_write_direct; save some stack
Eric Sandeen [Wed, 2 Nov 2005 04:00:01 +0000 (15:00 +1100)]
SGI-PV: 943266
SGI-Modid: xfs-linux:xfs-kern:199750a

Signed-off-by: Eric Sandeen <sandeen@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>

fs/xfs/xfs_iomap.c

index 113c647..4bdd796 100644 (file)
@@ -366,13 +366,13 @@ xfs_iomap_write_direct(
        xfs_filblks_t   count_fsb;
        xfs_fsize_t     isize;
        xfs_fsblock_t   firstfsb;
-       int             nimaps, maps;
+       int             nimaps;
        int             error;
        int             bmapi_flag;
        int             quota_flag;
        int             rt;
        xfs_trans_t     *tp;
-       xfs_bmbt_irec_t imap[XFS_WRITE_IMAPS], *imapp;
+       xfs_bmbt_irec_t imap;
        xfs_bmap_free_t free_list;
        int             aeof;
        xfs_filblks_t   qblocks, resblks;
@@ -387,9 +387,6 @@ xfs_iomap_write_direct(
        if (error)
                return XFS_ERROR(error);
 
-       maps = min(XFS_WRITE_IMAPS, *nmaps);
-       nimaps = maps;
-
        isize = ip->i_d.di_size;
        aeof = (offset + count) > isize;
 
@@ -464,9 +461,8 @@ xfs_iomap_write_direct(
         */
        XFS_BMAP_INIT(&free_list, &firstfsb);
        nimaps = 1;
-       imapp = &imap[0];
        error = xfs_bmapi(tp, ip, offset_fsb, count_fsb,
-               bmapi_flag, &firstfsb, 0, imapp, &nimaps, &free_list);
+               bmapi_flag, &firstfsb, 0, &imap, &nimaps, &free_list);
        if (error)
                goto error0;
 
@@ -488,7 +484,7 @@ xfs_iomap_write_direct(
                goto error_out;
        }
 
-       *ret_imap = imap[0];
+       *ret_imap = imap;
        *nmaps = 1;
        if ( !(io->io_flags & XFS_IOCORE_RT)  && !ret_imap->br_startblock) {
                 cmn_err(CE_PANIC,"Access to block zero:  fs <%s> inode: %lld "