inode_trylock_shared 2961 fs/dcache.c    	if (!inode_trylock_shared(alias->d_parent->d_inode))
inode_trylock_shared   44 fs/ext4/file.c 		if (!inode_trylock_shared(inode))
inode_trylock_shared 3846 fs/ext4/inode.c 		if (!inode_trylock_shared(inode))