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DateSat, 06 Jan 2007 15:26:31 +0800
FromFengguang Wu <>
Subject[PATCH 5/6] readahead: call scheme: remove get_readahead_bounds()
Remove the one and only get_readahead_bounds() call.

Signed-off-by: Fengguang Wu <wfg@mail.ustc.edu.cn>

---
 mm/readahead.c |    5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
--- linux-2.6.20-rc3-mm1.orig/mm/readahead.c
+++ linux-2.6.20-rc3-mm1/mm/readahead.c
@@ -1572,7 +1572,6 @@ page_cache_readahead_adaptive(struct add
 				pgoff_t offset, unsigned long req_size)
 {
 	unsigned long ra_size;
-	unsigned long ra_min;
 	unsigned long ra_max;
 	int ret;
 
@@ -1593,7 +1592,7 @@ page_cache_readahead_adaptive(struct add
 	else if (offset)
 		ra_account(ra, RA_EVENT_CACHE_MISS, req_size);
 
-	get_readahead_bounds(ra, &ra_min, &ra_max);
+	ra_max = get_max_readahead(ra);
 
 	/* read-ahead disabled? */
 	if (unlikely(!ra_max || !readahead_ratio)) {
@@ -1633,7 +1632,7 @@ page_cache_readahead_adaptive(struct add
 	 * Context based sequential read-ahead.
 	 */
 	ret = try_context_based_readahead(mapping, ra, page,
-							offset, ra_min, ra_max);
+						offset, req_size, ra_max);
 	if (ret > 0)
 		return ra_submit(ra, mapping, filp);
 	if (ret < 0)
--
-
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