Merge git://git.infradead.org/mtd-2.6

1 files changed, 14 insertions, 6 deletions

diff --git a/fs/jffs2/file.c b/fs/jffs2/file.c
index e92187f34d5..e18c9437d58 100644
--- a/fs/jffs2/file.c
+++ b/fs/jffs2/file.c
@@ -220,12 +220,20 @@ static int jffs2_commit_write (struct file *filp, struct page *pg,
         D1(printk(KERN_DEBUG "jffs2_commit_write(): ino #%lu, page at 0x%lx, range %d-%d, flags %lx\n",
                   inode->i_ino, pg->index << PAGE_CACHE_SHIFT, start, end, pg->flags));
 
-        if (!start && end == PAGE_CACHE_SIZE) {
-                /* We need to avoid deadlock with page_cache_read() in
-                   jffs2_garbage_collect_pass(). So we have to mark the
-                   page up to date, to prevent page_cache_read() from
-                   trying to re-lock it. */
-                SetPageUptodate(pg);
+        if (end == PAGE_CACHE_SIZE) {
+                if (!start) {
+                        /* We need to avoid deadlock with page_cache_read() in
+                           jffs2_garbage_collect_pass(). So we have to mark the
+                           page up to date, to prevent page_cache_read() from
+                           trying to re-lock it. */
+                        SetPageUptodate(pg);
+                } else {
+                        /* When writing out the end of a page, write out the 
+                           _whole_ page. This helps to reduce the number of
+                           nodes in files which have many short writes, like
+                           syslog files. */
+                        start = aligned_start = 0;
+                }
         }
 
         ri = jffs2_alloc_raw_inode();