From: zab <zab>
Date: Tue, 11 Mar 2003 02:34:52 +0000 (+0000)
Subject: - purge the write cache before truncate stomps on the local i_size so that we
X-Git-Tag: v1_7_100~1^100~45
X-Git-Url: https://git.whamcloud.com/?a=commitdiff_plain;h=62c07eabb8b495e2a34b00ad1925189677c8cecf;p=fs%2Flustre-release.git

- purge the write cache before truncate stomps on the local i_size so that we
  don't zero-extend the file when truncate's lock acquisition purges the
  writeback after having updated the i_size.  I'm not sure how 2.5 will do this,
  but it probably needs to.
---

diff --git a/lustre/llite/iod.c b/lustre/llite/iod.c
index 57ad39a..3a045f4 100644
--- a/lustre/llite/iod.c
+++ b/lustre/llite/iod.c
@@ -140,8 +140,9 @@ static int llwp_consume_page(struct ll_writeback_pages *llwp,
          */
         LASSERT(pg->count >= 0);
 
-        CDEBUG(D_CACHE, "brw_page %p: off "LPU64" cnt %d, page %p: ind %ld\n",
-                        pg, pg->off, pg->count, page, page->index);
+        CDEBUG(D_CACHE, "brw_page %p: off "LPU64" cnt %d, page %p: ind %ld"
+                        " i_size: "LPU64"\n", pg, pg->off, pg->count, page, 
+                        page->index, inode->i_size);
 
         if ( llwp->num_frags == 3 || llwp->num_pages == LLWP_MAX_PAGES )
                 return -1;