From: wangdi <wangdi>
Date: Mon, 30 Jun 2008 18:52:13 +0000 (+0000)
Subject: Branch: HEAD
X-Git-Tag: v1_9_50~300
X-Git-Url: https://git.whamcloud.com/gitweb?a=commitdiff_plain;h=905120671f436768d374037765fd4845e7f4fdc9;p=fs%2Flustre-release.git

Branch: HEAD
Two minors fixes for stride read-ahead.
b=14483
i=adilger
---

diff --git a/lustre/llite/rw.c b/lustre/llite/rw.c
index 0393274..ad73921 100644
--- a/lustre/llite/rw.c
+++ b/lustre/llite/rw.c
@@ -1292,7 +1292,7 @@ stride_pg_count(pgoff_t st_off, unsigned long st_len, unsigned long st_pgs,
                 unsigned long off, unsigned length)
 {
         unsigned long cont_len = st_off > off ?  st_off - off : 0;
-        unsigned long stride_len = length + off > st_off ?
+        __u64 stride_len = length + off > st_off ?
                            length + off + 1 - st_off : 0;
         unsigned long left, pg_count;
 
@@ -1450,7 +1450,7 @@ static int ll_readahead(struct ll_readahead_state *ras,
 
         reserved = ll_ra_count_get(ll_i2sbi(inode), len);
 
-        if (reserved < end - start + 1)
+        if (reserved < len)
                 ll_ra_stats_inc(mapping, RA_STAT_MAX_IN_FLIGHT);
 
         CDEBUG(D_READA, "reserved page %lu \n", reserved);