From: Harald Hoyer <harald@redhat.com>
Date: Fri, 24 Sep 2010 10:54:05 +0000 (+0200)
Subject: readahead-replay: use posix_fadvise instead of readahead
X-Git-Tag: v11~79
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=6e66797af44164c002127c4664064bf60a2fc13b

readahead-replay: use posix_fadvise instead of readahead
---

diff --git a/src/readahead-replay.c b/src/readahead-replay.c
index a5a2936b3..32941c144 100644
--- a/src/readahead-replay.c
+++ b/src/readahead-replay.c
@@ -89,8 +89,8 @@ static int unpack_file(FILE *pack) {
                 any = true;
 
                 if (fd >= 0)
-                        if (readahead(fd, b * PAGE_SIZE, (c - b) * PAGE_SIZE) < 0) {
-                                log_warning("readahead() failed: %m");
+                        if (posix_fadvise(fd, b * PAGE_SIZE, (c - b) * PAGE_SIZE, POSIX_FADV_WILLNEED) < 0) {
+                                log_warning("posix_fadvise() failed: %m");
                                 goto finish;
                         }
         }
@@ -100,8 +100,8 @@ static int unpack_file(FILE *pack) {
                  * intended to mean that the whole file shall be
                  * read */
 
-                if (readahead(fd, 0, st.st_size) < 0) {
-                        log_warning("readahead() failed: %m");
+                if (posix_fadvise(fd, 0, st.st_size, POSIX_FADV_WILLNEED) < 0) {
+                        log_warning("posix_fadvise() failed: %m");
                         goto finish;
                 }
         }