From b71e8a4ce03b3098c7801ee5e6e08d1a39a226c2 Mon Sep 17 00:00:00 2001 From: David Howells Date: Tue, 29 Aug 2006 19:06:11 +0100 Subject: [PATCH] BLOCK: Move __invalidate_device() to block_dev.c [try #6] Move __invalidate_device() from fs/inode.c to fs/block_dev.c so that it can more easily be disabled when the block layer is disabled. Signed-Off-By: David Howells Signed-off-by: Jens Axboe --- fs/block_dev.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'fs/block_dev.c') diff --git a/fs/block_dev.c b/fs/block_dev.c index 335c38b..0c361ea 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -1315,3 +1315,24 @@ void close_bdev_excl(struct block_device *bdev) } EXPORT_SYMBOL(close_bdev_excl); + +int __invalidate_device(struct block_device *bdev) +{ + struct super_block *sb = get_super(bdev); + int res = 0; + + if (sb) { + /* + * no need to lock the super, get_super holds the + * read mutex so the filesystem cannot go away + * under us (->put_super runs with the write lock + * hold). + */ + shrink_dcache_sb(sb); + res = invalidate_inodes(sb); + drop_super(sb); + } + invalidate_bdev(bdev, 0); + return res; +} +EXPORT_SYMBOL(__invalidate_device); -- cgit v1.1