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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2012-07-03 10:20:58 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2012-07-03 10:25:12 +0200 |
| commit | 2cc4f3ca45e5cb20649c2733330977a2307e2e19 (patch) | |
| tree | d6c00e2ab025f2707516076140875ae6f7f87b66 | |
| parent | libblock: Fix read-ahead trigger and next update (diff) | |
| download | rtems-2cc4f3ca45e5cb20649c2733330977a2307e2e19.tar.bz2 | |
libblock: Move read-ahead trigger check
In case the read-ahead task has a higher priority than the reading task,
this ensures that the read-ahead request is issued after the read miss
is serviced.
| -rw-r--r-- | cpukit/libblock/src/bdbuf.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/cpukit/libblock/src/bdbuf.c b/cpukit/libblock/src/bdbuf.c index 34150600bc..5b66656499 100644 --- a/cpukit/libblock/src/bdbuf.c +++ b/cpukit/libblock/src/bdbuf.c @@ -2083,7 +2083,6 @@ rtems_bdbuf_read (rtems_disk_device *dd, printf ("bdbuf:read: %" PRIu32 " (%" PRIu32 ") (dev = %08x)\n", media_block + dd->start, block, (unsigned) dd->dev); - rtems_bdbuf_check_read_ahead_trigger (dd, block); bd = rtems_bdbuf_get_buffer_for_access (dd, media_block); switch (bd->state) { @@ -2114,6 +2113,8 @@ rtems_bdbuf_read (rtems_disk_device *dd, rtems_bdbuf_fatal (bd->state, RTEMS_BLKDEV_FATAL_BDBUF_STATE_4); break; } + + rtems_bdbuf_check_read_ahead_trigger (dd, block); } rtems_bdbuf_unlock_cache (); |