[systemd-devel] [PATCH 1/6] readahead-replay: use posix_fadvise instead of readahead

[harald at redhat.com]

From: Harald Hoyer <harald at redhat.com>

---
 src/readahead-replay.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/readahead-replay.c b/src/readahead-replay.c
index b886857..f4d252b 100644
--- a/src/readahead-replay.c
+++ b/src/readahead-replay.c
@@ -85,7 +85,7 @@ static int unpack_file(FILE *pack) {
                 any = true;
 
                 if (fd >= 0)
-                        if (readahead(fd, b * PAGE_SIZE, (c - b) * PAGE_SIZE) < 0) {
+                        if (posix_fadvise(fd, b * PAGE_SIZE, (c - b) * PAGE_SIZE, POSIX_FADV_WILLNEED) < 0) {
                                 log_warning("readahead() failed: %m");
                                 goto finish;
                         }
@@ -96,7 +96,7 @@ static int unpack_file(FILE *pack) {
                  * intended to mean that the whole file shall be
                  * read */
 
-                if (readahead(fd, 0, st.st_size) < 0) {
+                if (posix_fadvise(fd, 0, st.st_size, POSIX_FADV_WILLNEED) < 0) {
                         log_warning("readahead() failed: %m");
                         goto finish;
                 }
-- 
1.7.3