提交 b71e8a4c 编写于 作者: D David Howells 提交者: Jens Axboe

[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: NDavid Howells <dhowells@redhat.com>
Signed-off-by: NJens Axboe <axboe@kernel.dk>
上级 811d736f
......@@ -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);
......@@ -362,27 +362,6 @@ int invalidate_inodes(struct super_block * sb)
}
EXPORT_SYMBOL(invalidate_inodes);
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);
static int can_unuse(struct inode *inode)
{
......
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