From mboxrd@z Thu Jan 1 00:00:00 1970 Message-Id: <20070816074627.769915000@chello.nl> References: <20070816074525.065850000@chello.nl> Date: Thu, 16 Aug 2007 09:45:38 +0200 From: Peter Zijlstra Subject: [PATCH 13/23] mtd: bdi init hooks Content-Disposition: inline; filename=bdi_init_mtd.patch Sender: owner-linux-mm@kvack.org Return-Path: To: linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: miklos@szeredi.hu, akpm@linux-foundation.org, neilb@suse.de, dgc@sgi.com, tomoki.sekiyama.qu@hitachi.com, a.p.zijlstra@chello.nl, nikita@clusterfs.com, trond.myklebust@fys.uio.no, yingchao.zhou@gmail.com, richard@rsk.demon.co.uk, torvalds@linux-foundation.org, David Woodhouse List-ID: split off because the relevant mtd changes seem particular to -mm Signed-off-by: Peter Zijlstra Cc: David Woodhouse --- drivers/mtd/mtdcore.c | 9 +++++++++ 1 file changed, 9 insertions(+) Index: linux-2.6/drivers/mtd/mtdcore.c =================================================================== --- linux-2.6.orig/drivers/mtd/mtdcore.c +++ linux-2.6/drivers/mtd/mtdcore.c @@ -48,6 +48,7 @@ static LIST_HEAD(mtd_notifiers); int add_mtd_device(struct mtd_info *mtd) { int i; + int err; if (!mtd->backing_dev_info) { switch (mtd->type) { @@ -62,6 +63,9 @@ int add_mtd_device(struct mtd_info *mtd) break; } } + err = bdi_init(mtd->backing_dev_info); + if (err) + return 1; BUG_ON(mtd->writesize == 0); mutex_lock(&mtd_table_mutex); @@ -102,6 +106,7 @@ int add_mtd_device(struct mtd_info *mtd) } mutex_unlock(&mtd_table_mutex); + bdi_destroy(mtd->backing_dev_info); return 1; } @@ -144,6 +149,10 @@ int del_mtd_device (struct mtd_info *mtd } mutex_unlock(&mtd_table_mutex); + + if (mtd->backing_dev_info) + bdi_destroy(mtd->backing_dev_info); + return ret; } -- -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org