From 5955102c9984fa081b2d570cfac75c97eecf8f3b Mon Sep 17 00:00:00 2001 From: Al Viro Date: Fri, 22 Jan 2016 15:40:57 -0500 Subject: wrappers for ->i_mutex access parallel to mutex_{lock,unlock,trylock,is_locked,lock_nested}, inode_foo(inode) being mutex_foo(&inode->i_mutex). Please, use those for access to ->i_mutex; over the coming cycle ->i_mutex will become rwsem, with ->lookup() done with it held only shared. Signed-off-by: Al Viro --- block/ioctl.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'block/ioctl.c') diff --git a/block/ioctl.c b/block/ioctl.c index 2c84683aada5..77f5d17779d6 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -455,12 +455,12 @@ static int blkdev_daxset(struct block_device *bdev, unsigned long argp) if (arg && !blkdev_dax_capable(bdev)) return -ENOTTY; - mutex_lock(&bdev->bd_inode->i_mutex); + inode_lock(bdev->bd_inode); if (bdev->bd_map_count == 0) inode_set_flags(bdev->bd_inode, arg, S_DAX); else rc = -EBUSY; - mutex_unlock(&bdev->bd_inode->i_mutex); + inode_unlock(bdev->bd_inode); return rc; } #else -- cgit