mm/mempolicy: fix a race between offset_il_node and mpol_rebind_task

[linux-2.6-microblaze.git] / fs / direct-io.c

diff --git a/fs/direct-io.c b/fs/direct-io.c
index b61491b..b2e86e7 100644 (file)
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -812,6 +812,7 @@ submit_page_section(struct dio *dio, struct dio_submit *sdio, struct page *page,
                    struct buffer_head *map_bh)
 {
        int ret = 0;
+       int boundary = sdio->boundary;  /* dio_send_cur_page may clear it */
 
        if (dio->op == REQ_OP_WRITE) {
                /*
@@ -850,10 +851,10 @@ submit_page_section(struct dio *dio, struct dio_submit *sdio, struct page *page,
        sdio->cur_page_fs_offset = sdio->block_in_file << sdio->blkbits;
 out:
        /*
-        * If sdio->boundary then we want to schedule the IO now to
+        * If boundary then we want to schedule the IO now to
         * avoid metadata seeks.
         */
-       if (sdio->boundary) {
+       if (boundary) {
                ret = dio_send_cur_page(dio, sdio, map_bh);
                if (sdio->bio)
                        dio_bio_submit(dio, sdio);