work can be gone after wb_clear_pending, so load the sb from it first. Signed-off-by: Nick Piggin --- fs/fs-writeback.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) Index: linux-2.6/fs/fs-writeback.c =================================================================== --- linux-2.6.orig/fs/fs-writeback.c +++ linux-2.6/fs/fs-writeback.c @@ -783,6 +783,7 @@ long wb_do_writeback(struct bdi_writebac while ((work = get_next_work_item(bdi, wb)) != NULL) { enum writeback_sync_modes sync_mode; + struct super_block *sb; nr_pages = work->nr_pages; @@ -794,6 +795,8 @@ long wb_do_writeback(struct bdi_writebac else sync_mode = work->sync_mode; + sb = work->sb; + /* * If this isn't a data integrity operation, just notify * that we have seen this work and we are now starting it. @@ -801,7 +804,7 @@ long wb_do_writeback(struct bdi_writebac if (sync_mode == WB_SYNC_NONE) wb_clear_pending(wb, work); - wrote += wb_writeback(wb, nr_pages, work->sb, sync_mode, 0); + wrote += wb_writeback(wb, nr_pages, sb, sync_mode, 0); /* * This is a data integrity writeback, so only do the -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/