1 files changed, 7 insertions, 42 deletions

diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index 789f28cfdc20..11ffc56f1f81 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -1231,35 +1231,6 @@ int gfs2_file_dealloc(struct gfs2_inode *ip)
 }
 
 /**
- * gfs2_write_calc_reserv - calculate number of blocks needed to write to a file
- * @ip: the file
- * @len: the number of bytes to be written to the file
- * @data_blocks: returns the number of data blocks required
- * @ind_blocks: returns the number of indirect blocks required
- *
- */
-
-void gfs2_write_calc_reserv(struct gfs2_inode *ip, unsigned int len,
-                            unsigned int *data_blocks, unsigned int *ind_blocks)
-{
-        struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
-        unsigned int tmp;
-
-        if (gfs2_is_dir(ip)) {
-                *data_blocks = DIV_ROUND_UP(len, sdp->sd_jbsize) + 2;
-                *ind_blocks = 3 * (sdp->sd_max_jheight - 1);
-        } else {
-                *data_blocks = (len >> sdp->sd_sb.sb_bsize_shift) + 3;
-                *ind_blocks = 3 * (sdp->sd_max_height - 1);
-        }
-
-        for (tmp = *data_blocks; tmp > sdp->sd_diptrs;) {
-                tmp = DIV_ROUND_UP(tmp, sdp->sd_inptrs);
-                *ind_blocks += tmp;
-        }
-}
-
-/**
  * gfs2_write_alloc_required - figure out if a write will require an allocation
  * @ip: the file being written to
  * @offset: the offset to write to
@@ -1276,6 +1247,7 @@ int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset,
         struct buffer_head bh;
         unsigned int shift;
         u64 lblock, lblock_stop, size;
+        u64 end_of_file;
 
         *alloc_required = 0;
 
@@ -1291,19 +1263,12 @@ int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset,
 
         *alloc_required = 1;
         shift = sdp->sd_sb.sb_bsize_shift;
-        if (gfs2_is_dir(ip)) {
-                unsigned int bsize = sdp->sd_jbsize;
-                lblock = offset;
-                do_div(lblock, bsize);
-                lblock_stop = offset + len + bsize - 1;
-                do_div(lblock_stop, bsize);
-        } else {
-                u64 end_of_file = (ip->i_disksize + sdp->sd_sb.sb_bsize - 1) >> shift;
-                lblock = offset >> shift;
-                lblock_stop = (offset + len + sdp->sd_sb.sb_bsize - 1) >> shift;
-                if (lblock_stop > end_of_file)
-                        return 0;
-        }
+        BUG_ON(gfs2_is_dir(ip));
+        end_of_file = (ip->i_disksize + sdp->sd_sb.sb_bsize - 1) >> shift;
+        lblock = offset >> shift;
+        lblock_stop = (offset + len + sdp->sd_sb.sb_bsize - 1) >> shift;
+        if (lblock_stop > end_of_file)
+                return 0;
 
         size = (lblock_stop - lblock) << shift;
         do {